Curated Shelf

Nature/Gardening/Animals

Thoreau's Walden, Burroughs, Muir — the original nature writing.

1999 WorksDrawn from Project Gutenberg Bookshelf #683

The Natural History of Pliny, Volume 3 (of 6)
Pliny, the Elder
21,423 Gutenberg downloadsen2019Difficulty 38 (High School)
Audubon the Naturalist: A History of His Life and Time. Vol. 2 (of 2)
Herrick, Francis Hobart
21,164 Gutenberg downloadsen2019Difficulty 69 (Academic)
Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.
Atkinson, George Francis
18,806 Gutenberg downloadsen2008Difficulty 50 (College)
Adventures of a Young Naturalist
Biart, Lucien
12,776 Gutenberg downloadsen2008Difficulty 48 (College)
Anecdotes of Dogs
Jesse, Edward
11,809 Gutenberg downloadsen2008Difficulty 59 (Graduate)
More Science from an Easy Chair
Lankester, E. Ray (Edwin Ray), Sir
10,013 Gutenberg downloadsen2008Difficulty 55 (Graduate)
Child and Country: A Book of the Younger Generation
Comfort, Will Levington
9,476 Gutenberg downloadsen2009Difficulty 46 (College)
Amateur Gardencraft: A Book for the Home-Maker and Garden Lover
Rexford, Eben E. (Eben Eugene)
8,822 Gutenberg downloadsen2008Difficulty 51 (Graduate)
The Log of the Sun: A Chronicle of Nature's Year
Beebe, William
8,728 Gutenberg downloadsen2008Difficulty 54 (Graduate)
Travels in Peru, on the Coast, in the Sierra, Across the Cordilleras and the Andes, into the Primeval Forests
Tschudi, Johann Jakob von
8,396 Gutenberg downloadsen2008Difficulty 67 (Academic)
Wild Animals at Home
Seton, Ernest Thompson
8,349 Gutenberg downloadsen2009Difficulty 52 (Graduate)
The Biography of a Grizzly
Seton, Ernest Thompson
8,064 Gutenberg downloadsen2008Difficulty 41 (College)
Ontario Teachers' Manuals: Nature Study
Ontario. Department of Education
7,819 Gutenberg downloadsen2008Difficulty 79 (Expert)
A Bird-Lover in the West
Miller, Olive Thorne
7,676 Gutenberg downloadsen2009Difficulty 48 (College)
Birds of the Rockies
Keyser, Leander S. (Leander Sylvester)
7,518 Gutenberg downloadsen2008Difficulty 58 (Graduate)
The Watchers of the Trails: A Book of Animal Life
Roberts, Charles G. D., Sir
7,401 Gutenberg downloadsen2008Difficulty 49 (College)
The Foot-path Way
Torrey, Bradford
7,128 Gutenberg downloadsen2008Difficulty 50 (College)
The Medicinal Plants of the Philippines
Pardo de Tavera, T. H. (Trinidad Hermenegildo)
6,736 Gutenberg downloadsen2008Difficulty 67 (Academic)
The field and garden vegetables of America : $b containing full descriptions of nearly eleven hundred species and varieties; with directions for propagation, culture, and use.
Burr, Fearing
6,656 Gutenberg downloadsen2007Difficulty 55 (Graduate)
Kamerplanten: Handboek tot het kweeken van planten in de kamer
Hesdörffer, Max
6,608 Gutenberg downloadsnl2009
In Nesting Time
Miller, Olive Thorne
6,480 Gutenberg downloadsen2008Difficulty 51 (Graduate)
Little Brothers of the Air
Miller, Olive Thorne
5,830 Gutenberg downloadsen2008Difficulty 47 (College)
"Wee Tim'rous Beasties": Studies of Animal life and Character
English, Douglas
5,625 Gutenberg downloadsen2007Difficulty 44 (College)
Delineations of the Ox Tribe: The Natural History of Bulls, Bisons, and Buffaloes. Exhibiting all the Known Species and the More Remarkable Varieties of the Genus Bos.
Vasey, George
5,550 Gutenberg downloadsen2009Difficulty 57 (Graduate)
Anecdotes of the Habits and Instinct of Animals
Lee, R., Mrs.
5,456 Gutenberg downloadsen2007Difficulty 58 (Graduate)
The Book of the National Parks
Yard, Robert Sterling
5,386 Gutenberg downloadsen2008Difficulty 62 (Academic)
My Studio Neighbors
Gibson, W. Hamilton (William Hamilton)
4,960 Gutenberg downloadsen2007Difficulty 63 (Academic)
Birds, Illustrated by Color Photography, Vol. 1, No. 4 April, 1897
Various
4,879 Gutenberg downloadsen2008Difficulty 45 (College)
On the Portraits of English Authors on Gardening, with Biographical Notices of Them, 2nd edition, with considerable additions
Felton, Samuel
4,664 Gutenberg downloadsen2008Difficulty 64 (Academic)
Outdoor Sketching Four Talks Given before the Art Institute of Chicago; The Scammon Lectures, 1914
Smith, Francis Hopkinson
4,461 Gutenberg downloadsen2008Difficulty 60 (Graduate)
Dwellers in Arcady: The Story of an Abandoned Farm
Paine, Albert Bigelow
4,106 Gutenberg downloadsen2009Difficulty 45 (College)
Northern Nut Growers Association Report of the Proceedings at the 43rd Annual Meeting Rockport, Indiana, August 25, 26 and 27, 1952
Unknown
4,092 Gutenberg downloadsen2008Difficulty 55 (Graduate)
Special Report on Diseases of the Horse
United States. Bureau of Animal Industry & Harbaugh, W. H. (William Heyser) & Huidekoper, Rush Shippen & Michener, Charles B. & Pearson, Leonard
4,021 Gutenberg downloadsen2007Difficulty 52 (Graduate)
Wood folk at school
Long, William J. (William Joseph)
3,988 Gutenberg downloadsen2007Difficulty 46 (College)
Language of Flowers
Greenaway, Kate
3,876 Gutenberg downloadsen2010Difficulty 65 (Academic)
Northern Nut Growers Association Report of the Proceedings at the Fifteenth Annual Meeting New York City, September 3, 4 and 5, 1924
Unknown
3,872 Gutenberg downloadsen2008Difficulty 50 (College)
Home Taxidermy for Pleasure and Profit A Guide for Those Who Wish to Prepare and Mount Animals, Birds, Fish, Reptiles, etc., for Home, Den, or Office Decoration
Farnham, Albert Burton
3,720 Gutenberg downloadsen2007Difficulty 53 (Graduate)
Woodward's Graperies and Horticultural Buildings
Woodward, George E. (George Evertson) & Woodward, F. W. (Francis W.)
3,706 Gutenberg downloadsen2008Difficulty 63 (Academic)
Bird Stories
Patch, Edith M. (Edith Marion)
3,544 Gutenberg downloadsen2008Difficulty 38 (High School)
Birds in the Calendar
Aflalo, Frederick G. (Frederick George)
3,335 Gutenberg downloadsen2008Difficulty 60 (Graduate)
The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State
Gleason, Henry A. (Henry Allan)
3,257 Gutenberg downloadsen2010Difficulty 45 (College)
An Elementary Study of Insects
Haseman, Leonard
3,253 Gutenberg downloadsen2007Difficulty 51 (Graduate)
Peeps At Many Lands: Australia
Fox, Frank
3,233 Gutenberg downloadsen2008Difficulty 50 (College)
Chatterbox Stories of Natural History
Anonymous
3,220 Gutenberg downloadsen2007Difficulty 44 (College)
Wild Nature Won By Kindness
Brightwen, Mrs. (Eliza Elder)
3,006 Gutenberg downloadsen2007Difficulty 51 (Graduate)
Gardening Indoors and Under Glass A Practical Guide to the Planting, Care and Propagation of House Plants, and to the Construction and Management of Hotbed, Coldframe and Small Greenhouse
Rockwell, F. F. (Frederick Frye)
2,963 Gutenberg downloadsen2007Difficulty 60 (Graduate)
The Genus Pinus
Shaw, George Russell
2,946 Gutenberg downloadsen2008Difficulty 58 (Graduate)
The Wonders of the Jungle, Book One
Ghosh, Sarath Kumar
2,857 Gutenberg downloadsen2008Difficulty 38 (High School)
Northern Nut Growers Association Report of the Proceedings at the 13th Annual Meeting Rochester, N.Y. September, 7, 8 and 9, 1922
Unknown
2,849 Gutenberg downloadsen2008Difficulty 46 (College)
The Natural History of Pliny, Volume 2 (of 6)
Pliny, the Elder
2,834 Gutenberg downloadsen2019Difficulty 40 (High School)
The Apple-Tree The Open Country Books—No. 1
Bailey, L. H. (Liberty Hyde)
2,820 Gutenberg downloadsen2008Difficulty 47 (College)
The art of promoting the growth of the cucumber and melon in a series of directions for the best means to be adopted in bringing them to a complete state of perfection
Watkins, Thomas
2,770 Gutenberg downloadsen2008Difficulty 60 (Graduate)
Cattle and Cattle-breeders
McCombie, William
2,518 Gutenberg downloadsen2007Difficulty 42 (College)
De heele wereld rond Een leesboek ter bevordering van natuur-, landen- en volkenkennis, ten dienste der volksschool
Goeverneur, J. J. A. (Johan Jacob Antonie)
2,516 Gutenberg downloadsnl2009
Northern Nut Growers Association Report of the Proceedings at the Second Annual Meeting Ithaca, New York, December 14 and 15, 1911
Unknown
2,400 Gutenberg downloadsen2007Difficulty 55 (Graduate)
The Natural History of Pliny, Volume 6 (of 6)
Pliny, the Elder
2,345 Gutenberg downloadsen2020Difficulty 44 (College)
Butterflies and Moths (British)
Furneaux, William S.
2,236 Gutenberg downloadsen2010Difficulty 44 (College)
Northern Nut Growers Association Report of the Proceedings at the Twenty-Fifth Annual Meeting Battle Creek, Michigan, September 10 and 11, 1934
Unknown
2,228 Gutenberg downloadsen2007Difficulty 51 (Graduate)
Conservation Reader
Fairbanks, Harold W. (Harold Wellman)
2,102 Gutenberg downloadsen2008Difficulty 43 (College)
Followers of the Trail
Meyer, Zoe
1,982 Gutenberg downloadsen2007Difficulty 46 (College)
Hortus Inclusus Messages from the Wood to the Garden, Sent in Happy Days to the Sister Ladies of the Thwaite, Coniston
Ruskin, John
1,977 Gutenberg downloadsen2007Difficulty 44 (College)
The language of flowers : $b The floral offering ; a token of affection and esteem ; comprising the language and poetry of flowers
Dumont, Henrietta
1,915 Gutenberg downloadsen2023Difficulty 52 (Graduate)
The plant-lore & garden-craft of Shakespeare
Ellacombe, Henry Nicholson
1,884 Gutenberg downloadsen2009Difficulty 52 (Graduate)
Love's Meinie: Three Lectures on Greek and English Birds
Ruskin, John
1,837 Gutenberg downloadsen2007Difficulty 57 (Graduate)
Culinary Herbs: Their Cultivation Harvesting Curing and Uses
Kains, M. G. (Maurice Grenville)
1,772 Gutenberg downloadsen2007Difficulty 60 (Graduate)
Lippincott's Magazine of Popular Literature and Science, Vol. 22, November, 1878
Various
1,735 Gutenberg downloadsen2008Difficulty 53 (Graduate)
The Solomon Islands and Their Natives
Guppy, H. B. (Henry Brougham)
1,701 Gutenberg downloadsen2013Difficulty 64 (Academic)
Heads and tales : $b or, Anecdotes and stories of quadrupeds and other beasts, chiefly connected with incidents in the histories of more or less distinguished men.
Unknown
1,679 Gutenberg downloadsen2008Difficulty 60 (Graduate)
The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth
Hard, Miron Elisha
1,654 Gutenberg downloadsen2009Difficulty 51 (Graduate)
The Malay Archipelago, Volume 1 The Land of the Orang-utan and the Bird of Paradise; A Narrative of Travel, with Studies of Man and Nature
Wallace, Alfred Russel
1,645 Gutenberg downloadsen2001Difficulty 63 (Academic)
Northern Nut Growers Association Report of the Proceedings at the Forty-Second Annual Meeting Urbana, Illinois, August 28, 29 and 30, 1951
Unknown
1,603 Gutenberg downloadsen2007Difficulty 55 (Graduate)
Het Leven der Dieren: Deel 1, Hoofdstuk 01: De Apen
Brehm, Alfred Edmund
1,587 Gutenberg downloadsnl2005
The Common Spiders of the United States
Emerton, J. H. (James Henry)
1,586 Gutenberg downloadsen2013Difficulty 45 (College)
Snakes: Curiosities and Wonders of Serpent Life
Hopley, Catherine Cooper
1,554 Gutenberg downloadsen2016Difficulty 56 (Graduate)
The Old English Herbals
Rohde, Eleanour Sinclair
1,521 Gutenberg downloadsen2010Difficulty 66 (Academic)
Wild Animals I Have Known
Seton, Ernest Thompson
1,505 Gutenberg downloadsen2002Difficulty 49 (College)
Beast and Man in India A Popular Sketch of Indian Animals in their Relations with the People
Kipling, John Lockwood
1,495 Gutenberg downloadsen2012Difficulty 51 (Graduate)
The tale of Rusty Wren
Bailey, Arthur Scott
1,491 Gutenberg downloadsen2008Difficulty 34 (High School)
The Wonders of the Jungle, Book Two
Ghosh, Sarath Kumar
1,483 Gutenberg downloadsen2008Difficulty 43 (College)
Journal 02, 1850-September 15, 1851 The Writings of Henry David Thoreau, Volume 08 (of 20)
Thoreau, Henry David
1,479 Gutenberg downloadsen2019Difficulty 59 (Graduate)
The Natural History of Pliny, Volume 5 (of 6)
Pliny, the Elder
1,466 Gutenberg downloadsen2019Difficulty 50 (College)
The Burgess Animal Book for Children
Burgess, Thornton W. (Thornton Waldo)
1,425 Gutenberg downloadsen2000Difficulty 35 (High School)
The Story-book of Science
Fabre, Jean-Henri
1,386 Gutenberg downloadsen2018Difficulty 43 (College)
Wild Flowers An Aid to Knowledge of Our Wild Flowers and Their Insect Visitors
Blanchan, Neltje
1,363 Gutenberg downloadsen2002Difficulty 58 (Graduate)
Bible animals : $b being a description of every living creature mentioned in the Scripture, from the ape to the coral.
Wood, J. G. (John George)
1,362 Gutenberg downloadsen2013Difficulty 90 (Specialist)
Hardy Perennials and Old Fashioned Flowers Describing the Most Desirable Plants, for Borders, Rockeries, and Shrubberies.
Wood, J. G. (John George)
1,362 Gutenberg downloadsen2006Difficulty 50 (College)
Toadstools, mushrooms, fungi, edible and poisonous; one thousand American fungi How to select and cook the edible; how to distinguish and avoid the poisonous, with full botanic descriptions. Toadstool poisons and their treatment, instructions to students, recipes for cooking, etc., etc.
McIlvaine, Charles & Macadam, Robert K.
1,315 Gutenberg downloadsen2016Difficulty 54 (Graduate)
Our Vanishing Wild Life: Its Extermination and Preservation
Hornaday, William T. (William Temple)
1,307 Gutenberg downloadsen2004Difficulty 55 (Graduate)
The Maine Woods The Writings of Henry David Thoreau, Volume 03 (of 20)
Thoreau, Henry David
1,259 Gutenberg downloadsen2013Difficulty 51 (Graduate)
Identification of the Larger Fungi
Watling, Roy
1,255 Gutenberg downloadsen2019Difficulty 62 (Academic)
Old-Time Gardens, Newly Set Forth
Earle, Alice Morse
1,249 Gutenberg downloadsen2012Difficulty 52 (Graduate)
The Mountains of California
Muir, John
1,247 Gutenberg downloadsen2003Difficulty 64 (Academic)
Views of nature: or Contemplations on the sublime phenomena of creation with scientific illustrations
Humboldt, Alexander von
1,238 Gutenberg downloadsen2022Difficulty 61 (Academic)
Curious Facts in the History of Insects; Including Spiders and Scorpions. A Complete Collection of the Legends, Superstitions, Beliefs, and Ominous Signs Connected with Insects; Together with Their Uses in Medicine, Art, and as Food; and a Summary of Their Remarkable Injuries and Appearances.
Cowan, Frank
1,230 Gutenberg downloadsen2012Difficulty 50 (College)
Dimasalang Kalendariong Tagalog (1922)
López, Honorio
1,228 Gutenberg downloadstl2005
The Burgess Bird Book for Children
Burgess, Thornton W. (Thornton Waldo)
1,214 Gutenberg downloadsen2002Difficulty 32 (High School)
Steep Trails
Muir, John
1,209 Gutenberg downloadsen1995Difficulty 57 (Graduate)
The Extermination of the American Bison
Hornaday, William T. (William Temple)
1,189 Gutenberg downloadsen2006Difficulty 53 (Graduate)
Our National Parks
Muir, John
1,174 Gutenberg downloadsen2019Difficulty 60 (Graduate)
The Columbia River: Its History, Its Myths, Its Scenery, Its Commerce
Lyman, William Denison
1,156 Gutenberg downloadsen2012Difficulty 53 (Graduate)
Charley's Museum A Story for Young People
Unknown
1,153 Gutenberg downloadsen2007Difficulty 42 (College)
Georgicon
Virgil
1,140 Gutenberg downloadsla1995
The Lake of the Sky Lake Tahoe in the High Sierras of California and Nevada, its History, Indians, Discovery by Frémont, Legendary Lore, Various Namings, Physical Characteristics, Glacial Phenomena, Geology, Single Outlet, Automobile Routes, Historic Towns, Early Mining Excitements, Steamer Ride, Mineral Springs, Mountain and Lake Resorts, Trail and Camping Out Trips, Summer Residences, Fishing, Hunting, Flowers, Birds, Animals, Trees, and Chaparral, with a Full Account of the Tahoe National Forest, the Public Use of the Water of Lake Tahoe and Much Other Interesting Matter
James, George Wharton
1,136 Gutenberg downloadsen2004Difficulty 62 (Academic)
Flowers and Flower-Gardens With an Appendix of Practical Instructions and Useful Information Respecting the Anglo-Indian Flower-Garden
Richardson, David Lester
1,130 Gutenberg downloadsen2004Difficulty 54 (Graduate)
Trees, Fruits and Flowers of Minnesota, 1916 Embracing the Transactions of the Minnesota State Horticultural Society,Volume 44, from December 1, 1915, to December 1, 1916, Including the Twelve Numbers of "The Minnesota Horticulturist" for 1916
Unknown
1,117 Gutenberg downloadsen2006Difficulty 46 (College)
Sylva; Or, A Discourse of Forest Trees. Vol. 1 (of 2)
Evelyn, John
1,115 Gutenberg downloadsen2007Difficulty 59 (Graduate)
The Folk-lore of Plants
Thiselton-Dyer, T. F. (Thomas Firminger)
1,110 Gutenberg downloadsen2003Difficulty 54 (Graduate)
The book of the cat
Simpson, Frances
1,102 Gutenberg downloadsen2025Difficulty 54 (Graduate)
The Andes and the Amazon; Or, Across the Continent of South America
Orton, James
1,097 Gutenberg downloadsen2006Difficulty 55 (Graduate)
My First Summer in the Sierra
Muir, John
1,096 Gutenberg downloadsen2010Difficulty 55 (Graduate)
Mammals of Washington, Volume 2 University of Kansas Publications Museum of Natural History
Dalquest, Walter Woelber
1,076 Gutenberg downloadsen2016Difficulty 52 (Graduate)
The Life of the Bee
Maeterlinck, Maurice
1,061 Gutenberg downloadsen2003Difficulty 60 (Graduate)
The Dog
Youatt, William
1,051 Gutenberg downloadsen2005Difficulty 60 (Graduate)
The Snakes of Europe
Boulenger, George Albert
1,042 Gutenberg downloadsen2014Difficulty 63 (Academic)
The Last Harvest
Burroughs, John
1,041 Gutenberg downloadsen2006Difficulty 51 (Graduate)
The Land of Little Rain
Austin, Mary
1,037 Gutenberg downloadsen2008Difficulty 48 (College)
The Living Animals of the World, Volume 1 (of 2) A Popular Natural History
Unknown
1,035 Gutenberg downloadsen2019Difficulty 92 (Quantum Electrodynamics)
Wild Flowers Worth Knowing
Blanchan, Neltje
1,030 Gutenberg downloadsen2005Difficulty 69 (Academic)
The Complete Angler 1653
Walton, Izaak
1,028 Gutenberg downloadsen2005Difficulty 56 (Graduate)
Whales, dolphins, and porpoises of the western North Atlantic : $b a guide to their identification
Leatherwood, Stephen & Caldwell, David K. (David Keller) & Winn, Howard Elliott
1,028 Gutenberg downloadsen2010Difficulty 67 (Academic)
Narrative of a Survey of the Intertropical and Western Coasts of Australia — Vol. 2 Performed between the years 1818 and 1822
King, Philip Parker
996 Gutenberg downloadsen2004Difficulty 51 (Graduate)
The Life of the Fly; With Which are Interspersed Some Chapters of Autobiography
Fabre, Jean-Henri
995 Gutenberg downloadsen2002Difficulty 54 (Graduate)
Manual of Gardening (Second Edition) A Practical Guide to the Making of Home Grounds and the Growing of Flowers, Fruits, and Vegetables for Home Use
Bailey, L. H. (Liberty Hyde)
993 Gutenberg downloadsen2005Difficulty 57 (Graduate)
Fabre's Book of Insects
Fabre, Jean-Henri
990 Gutenberg downloadsen2021Difficulty 43 (College)
Reptiles and Birds A Popular Account of Their Various Orders, With a Description of the Habits and Economy of the Most Interesting
Figuier, Louis
977 Gutenberg downloadsen2014Difficulty 79 (Expert)
Australian insects
Froggatt, Walter W. (Walter Wilson)
975 Gutenberg downloadsen2025Difficulty 52 (Graduate)
The Malay Archipelago, Volume 2 The Land of the Orang-utan and the Bird of Paradise; A Narrative of Travel, with Studies of Man and Nature
Wallace, Alfred Russel
973 Gutenberg downloadsen2001Difficulty 57 (Graduate)
Social Life in the Insect World
Fabre, Jean-Henri
968 Gutenberg downloadsen2006Difficulty 49 (College)
The Human Side of Animals
Dixon, Royal
962 Gutenberg downloadsen2006Difficulty 58 (Graduate)
Acetaria: A Discourse of Sallets
Evelyn, John
960 Gutenberg downloadsen2005Difficulty 70 (Academic)
The Life of the Spider
Fabre, Jean-Henri
955 Gutenberg downloadsen1999Difficulty 52 (Graduate)
Sketches of the Natural History of Ceylon
Tennent, James Emerson, Sir
953 Gutenberg downloadsen2004Difficulty 72 (Expert)
Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2
Humboldt, Alexander von & Bonpland, Aimé
949 Gutenberg downloadsen2004Difficulty 58 (Graduate)
Natural History of the Mammalia of India and Ceylon
Sterndale, Robert Armitage
948 Gutenberg downloadsen2006Difficulty 61 (Academic)
Curious Creatures in Zoology
Ashton, John
938 Gutenberg downloadsen2013Difficulty 59 (Graduate)
The Insect World Being a Popular Account of the Orders of Insects; Together with a Description of the Habits and Economy of Some of the Most Interesting Species
Figuier, Louis
938 Gutenberg downloadsen2014Difficulty 55 (Graduate)
From North Pole to Equator: Studies of Wild Life and Scenes in Many Lands
Brehm, Alfred Edmund
935 Gutenberg downloadsen2022Difficulty 57 (Graduate)
Bird Houses Boys Can Build
Siepert, Albert Frederick
932 Gutenberg downloadsen2008Difficulty 43 (College)
Birds and Poets : with Other Papers
Burroughs, John
932 Gutenberg downloadsen2004Difficulty 51 (Graduate)
Butterflies Worth Knowing
Weed, Clarence Moores
929 Gutenberg downloadsen2011Difficulty 66 (Academic)
Ceylon; an Account of the Island Physical, Historical, and Topographical with Notices of Its Natural History, Antiquities and Productions, Volume 1
Tennent, James Emerson, Sir
926 Gutenberg downloadsen2004Difficulty 74 (Expert)
The Garden, You, and I
Wright, Mabel Osgood
919 Gutenberg downloadsen2006Difficulty 52 (Graduate)
Manual of the Trees of North America (Exclusive of Mexico) 2nd ed.
Sargent, Charles Sprague
914 Gutenberg downloadsen2014Difficulty 78 (Expert)
The Cambridge natural history, Vol. 10 (of 10)
Beddard, Frank E. (Frank Evers)
913 Gutenberg downloadsen2012Difficulty 61 (Academic)
The Gamekeeper at Home: Sketches of natural history and rural life (Illustrated)
Jefferies, Richard
913 Gutenberg downloadsen2014Difficulty 51 (Graduate)
Hardy Ornamental Flowering Trees and Shrubs
Webster, Angus D.
908 Gutenberg downloadsen2004Difficulty 56 (Graduate)
Himalayan Journals — Complete Or, Notes of a Naturalist in Bengal, the Sikkim and Nepal Himalayas, the Khasia Mountains, etc.
Hooker, Joseph Dalton
906 Gutenberg downloadsen2004Difficulty 99 (Quantum Electrodynamics)
The Bird Book Illustrating in natural colors more than seven hundred North American birds; also several hundred photographs of their nests and eggs.
Reed, Chester A. (Chester Albert)
902 Gutenberg downloadsen2009Difficulty 47 (College)
Pleasant Talk About Fruits, Flowers and Farming
Beecher, Henry Ward
901 Gutenberg downloadsen2018Difficulty 55 (Graduate)
The Culture of Vegetables and Flowers From Seeds and Roots 16th Edition
Sutton & Sons Ltd.
901 Gutenberg downloadsen2005Difficulty 55 (Graduate)
Insect Architecture
Rennie, James
899 Gutenberg downloadsen2014Difficulty 50 (College)
The Life of Crustacea
Calman, W. T. (William Thomas)
899 Gutenberg downloadsen2012Difficulty 51 (Graduate)
The Book of Herbs
Northcote, Rosalind
896 Gutenberg downloadsen2019Difficulty 54 (Graduate)
The Book of Curiosities
Platts, John
895 Gutenberg downloadsen2013Difficulty 94 (Quantum Electrodynamics)
A History of North American Birds; Land Birds; Vol. 3 of 3
Baird, Spencer Fullerton & Brewer, T. M. (Thomas Mayo) & Ridgway, Robert
889 Gutenberg downloadsen2017Difficulty 59 (Graduate)
Outdoor Sports and Games
Miller, Claude Harris
887 Gutenberg downloadsen2005Difficulty 46 (College)
The Wild Flowers of California: Their Names, Haunts, and Habits
Parsons, Mary Elizabeth
886 Gutenberg downloadsen2012Difficulty 79 (Expert)
The New Forest: Its History and Its Scenery
Wise, John R. (John Richard)
881 Gutenberg downloadsen2017Difficulty 49 (College)
The Yosemite
Muir, John
880 Gutenberg downloadsen2004Difficulty 60 (Graduate)
The Natural History of Selborne
White, Gilbert
879 Gutenberg downloadsen1998Difficulty 59 (Graduate)
Trees Every Child Should Know: Easy Tree Studies for All Seasons of the Year
Rogers, Julia Ellen
877 Gutenberg downloadsen2013Difficulty 46 (College)
The Moths of the British Isles, First Series Comprising the Families Sphingidæ to Noctuidæ
South, Richard
876 Gutenberg downloadsen2013Difficulty 54 (Graduate)
Cassell's Natural History, Vol. 1 (of 6)
Unknown
875 Gutenberg downloadsen2017Difficulty 94 (Quantum Electrodynamics)
London parks and gardens
Cecil, Evelyn, Mrs.
875 Gutenberg downloadsen2025Difficulty 54 (Graduate)
Journals of Travels in Assam, Burma, Bhootan, Afghanistan and the Neighbouring Countries
Griffith, William
872 Gutenberg downloadsen2005Difficulty 54 (Graduate)
Wild Spain (España agreste) Records of Sport with Rifle, Rod, and Gun, Natural History Exploration
Chapman, Abel & Buck, Walter John
869 Gutenberg downloadsen2011Difficulty 54 (Graduate)
100 Desert Wildflowers in Natural Color
Dodge, Natt N. (Natt Noyes)
868 Gutenberg downloadsen2017Difficulty 54 (Graduate)
The Living Animals of the World, Volume 2 (of 2) A Popular Natural History
Unknown
868 Gutenberg downloadsen2019Difficulty 80 (Expert)
A Hausa botanical vocabulary
Dalziel, J. M. (John McEwen)
866 Gutenberg downloadsen2024Difficulty 48 (College)
Paradisi in sole paradisus terrestris, or, A garden of all sorts of pleasant flowers which our English ayre will permitt to be noursed vp a kitchen garden of all manner of herbes, rootes & fruites for meate or sauce vsed with vs, and, an orchard of all sorte of fruitbearing trees and shrubbes fit for our land, together with the right orderinge, planting & preseruing of them and their vses & vertues
Parkinson, John
863 Gutenberg downloadsen2022Difficulty 67 (Academic)
The music of the spheres : $b A nature lover's astronomy
Grondal, Florence Armstrong
863 Gutenberg downloadsen2023Difficulty 64 (Academic)
The Butterfly Book A Popular Guide to a Knowledge of the Butterflies of North America
Holland, W. J. (William Jacob)
862 Gutenberg downloadsen2012Difficulty 55 (Graduate)
The Cambridge natural history, Vol. 08 (of 10)
Gadow, Hans
859 Gutenberg downloadsen2024Difficulty 63 (Academic)
Animal Figures in the Maya Codices
Tozzer, Alfred M. (Alfred Marston) & Allen, Glover M. (Glover Morrill)
858 Gutenberg downloadsen2006Difficulty 53 (Graduate)
Parasites: A Treatise on the Entozoa of Man and Animals Including Some Account of the Ectozoa
Cobbold, T. Spencer (Thomas Spencer)
854 Gutenberg downloadsen2014Difficulty 60 (Graduate)
Three Years' Wanderings in the Northern Provinces of China Including a visit to the tea, silk, and cotton countries; with an account of the agriculture and horticulture of the Chinese, new plants, etc.
Fortune, Robert
852 Gutenberg downloadsen2017Difficulty 50 (College)
The Cambridge natural history, Vol. 03 (of 10)
Cooke, A. H. (Alfred Hands) & Reed, F. R. C. (Frederick Richard Cowper)
848 Gutenberg downloadsen2023Difficulty 63 (Academic)
The Desert World
Mangin, Arthur
847 Gutenberg downloadsen2013Difficulty 60 (Graduate)
A History of North American Birds; Land Birds; Vol. 2 of 3
Baird, Spencer Fullerton & Brewer, T. M. (Thomas Mayo) & Ridgway, Robert
845 Gutenberg downloadsen2017Difficulty 46 (College)
Camp Life in the Woods and the Tricks of Trapping and Trap Making
Gibson, W. Hamilton (William Hamilton)
845 Gutenberg downloadsen2005Difficulty 49 (College)
Field Book of Western Wild Flowers
Armstrong, Margaret & Thornber, J. J. (John James)
845 Gutenberg downloadsen2015Difficulty 53 (Graduate)
Audubon the Naturalist: A History of His Life and Time. Vol. 1 (of 2)
Herrick, Francis Hobart
843 Gutenberg downloadsen2019Difficulty 83 (Specialist)
Ways of Nature
Burroughs, John
842 Gutenberg downloadsen2009Difficulty 47 (College)
Insect Adventures
Fabre, Jean-Henri & Zimm, Louise Hasbrouck
836 Gutenberg downloadsen2014Difficulty 43 (College)
The Animal World, A Book of Natural History Young Folks' Treasury (Volume V)
Wood, Theodore
836 Gutenberg downloadsen2013Difficulty 49 (College)
The Naturalist on the River Amazons
Bates, Henry Walter
834 Gutenberg downloadsen2000Difficulty 67 (Academic)
All about miniature plants and gardens indoors and out
Brilmayer, Bernice
829 Gutenberg downloadsen2023Difficulty 60 (Graduate)
On the Trail: An Outdoor Book for Girls
Beard, Lina & Beard, Adelia B. (Adelia Belle)
829 Gutenberg downloadsen2006Difficulty 48 (College)
Field and Hedgerow: Being the Last Essays of Richard Jefferies
Jefferies, Richard
827 Gutenberg downloadsen2004Difficulty 44 (College)
The Illustrated Dictionary of Gardening, Division 1; A to Car. A Practical and Scientific Encyclopædia of Horticulture
Unknown
827 Gutenberg downloadsen2017Difficulty 53 (Graduate)
Extinct Monsters A Popular Account of Some of the Larger Forms of Ancient Animal Life
Hutchinson, H. N. (Henry Neville)
826 Gutenberg downloadsen2013Difficulty 53 (Graduate)
Studies of Trees
Levison, Jacob Joshua
823 Gutenberg downloadsen2005Difficulty 51 (Graduate)
American Forest Trees
Gibson, Henry H.
821 Gutenberg downloadsen2013Difficulty 50 (College)
Unexplored Spain
Chapman, Abel & Buck, Walter John
821 Gutenberg downloadsen2012Difficulty 62 (Academic)
Camps and Trails in China A Narrative of Exploration, Adventure, and Sport in Little-Known China
Andrews, Roy Chapman & Andrews, Yvette Borup
819 Gutenberg downloadsen2004Difficulty 72 (Expert)
Life History and Ecology of the Five-Lined Skink, Eumeces fasciatus
Fitch, Henry S. (Henry Sheldon)
818 Gutenberg downloadsen2012Difficulty 62 (Academic)
Dogs and All about Them
Leighton, Robert
811 Gutenberg downloadsen2004Difficulty 53 (Graduate)
How to know the wild flowers : $b a guide to the names, haunts, and habits of our common wild flowers
Parsons, Frances Theodora
811 Gutenberg downloadsen2023Difficulty 56 (Graduate)
The Library of Work and Play: Gardening and Farming.
Shaw, Ellen Eddy
811 Gutenberg downloadsen2004Difficulty 31 (High School)
Life histories of North American shore birds, Part 1 (of 2)
Bent, Arthur Cleveland
810 Gutenberg downloadsen2014Difficulty 62 (Academic)
Gairloch in North-West Ross-Shire Its Records, Traditions, Inhabitants, and Natural History, with a Guide to Gairloch and Loch Maree, and a Map and Illustrations
Dixon, John H. (John Henry)
806 Gutenberg downloadsen2012Difficulty 72 (Expert)
Hunting the Grisly and Other Sketches An Account of the Big Game of the United States and its Chase with Horse, Hound, and Rifle
Roosevelt, Theodore
804 Gutenberg downloadsen2006Difficulty 53 (Graduate)
Travels in Alaska
Muir, John
796 Gutenberg downloadsen2005Difficulty 60 (Graduate)
The Cambridge natural history, Vol. 06 (of 10)
Sharp, David
795 Gutenberg downloadsen2023Difficulty 65 (Academic)
Italian Villas and Their Gardens
Wharton, Edith
789 Gutenberg downloadsen2016Difficulty 64 (Academic)
The Sea-beach at Ebb-tide A Guide to the Study of the Seaweeds and the Lower Animal Life Found Between Tide-marks
Arnold, Augusta Foote
784 Gutenberg downloadsen2013Difficulty 57 (Graduate)
The Butterflies of the British Isles
South, Richard
782 Gutenberg downloadsen2013Difficulty 57 (Graduate)
Our Cats and All About Them Their Varieties, Habits, and Management; and for Show, the Standard of Excellence and Beauty; Described and Pictured
Weir, Harrison
776 Gutenberg downloadsen2011Difficulty 50 (College)
My Summer in a Garden
Warner, Charles Dudley
774 Gutenberg downloadsen2004Difficulty 43 (College)
Bird Neighbors An Introductory Acquaintance with One Hundred and Fifty Birds Commonly Found in the Gardens, Meadows, and Woods About Our Homes
Blanchan, Neltje
773 Gutenberg downloadsen2011Difficulty 53 (Graduate)
Indian Scout Talks: A Guide for Boy Scouts and Camp Fire Girls
Eastman, Charles A.
773 Gutenberg downloadsen2011Difficulty 45 (College)
The Story of My Boyhood and Youth
Muir, John
771 Gutenberg downloadsen2006Difficulty 52 (Graduate)
Field and Woodland Plants
Furneaux, William S.
769 Gutenberg downloadsen2013Difficulty 52 (Graduate)
Recreations of Christopher North, Volume 1
Wilson, John
768 Gutenberg downloadsen2010Difficulty 58 (Graduate)
The Children's Book of Birds
Miller, Olive Thorne
765 Gutenberg downloadsen2012Difficulty 40 (High School)
Little Rivers: A Book of Essays in Profitable Idleness
Van Dyke, Henry
763 Gutenberg downloadsen2006Difficulty 50 (College)
Mrs. Loudon's Entertaining Naturalist Being popular descriptions, tales, and anecdotes of more than Five Hundred Animals.
Loudon, Mrs. (Jane)
762 Gutenberg downloadsen2016Difficulty 52 (Graduate)
American Weasels
Hall, E. Raymond (Eugene Raymond)
759 Gutenberg downloadsen2013Difficulty 63 (Academic)
A Book of Natural History Young Folks' Library Volume XIV.
Unknown
758 Gutenberg downloadsen2006Difficulty 51 (Graduate)
Canoeing in the wilderness
Thoreau, Henry David
758 Gutenberg downloadsen2011Difficulty 48 (College)
Michigan Trees: A Handbook of the Native and Most Important Introduced Species
Otis, Charles Herbert
756 Gutenberg downloadsen2012Difficulty 55 (Graduate)
Handbook of the Trees of New England
Dame, Lorin Low & Brooks, Henry M. (Henry Mason)
755 Gutenberg downloadsen2007Difficulty 53 (Graduate)
Cactus Culture for Amateurs Being Descriptions of the Various Cactuses Grown in This Country, With Full and Practical Instructions for Their Successful Cultivation
Watson, William
754 Gutenberg downloadsen2004Difficulty 62 (Academic)
Langstroth on the Hive and the Honey-Bee: A Bee Keeper's Manual
Langstroth, L. L. (Lorenzo Lorraine)
753 Gutenberg downloadsen2008Difficulty 44 (College)
Pygmies & Papuans: The Stone Age To-day in Dutch New Guinea
Wollaston, A. F. R. (Alexander Frederick Richmond)
752 Gutenberg downloadsen2016Difficulty 70 (Academic)
The Minds and Manners of Wild Animals: A Book of Personal Observations
Hornaday, William T. (William Temple)
749 Gutenberg downloadsen2004Difficulty 56 (Graduate)
Birds and Bees, Sharp Eyes, and Other Papers
Burroughs, John
746 Gutenberg downloadsen2002Difficulty 51 (Graduate)
How to Tell the Birds from the Flowers: A Manual of Flornithology for Beginners
Wood, Robert Williams
746 Gutenberg downloadsen1999Difficulty 48 (College)
Prairie Farmer, Vol. 56: No. 1, January 5, 1884. A Weekly Journal for the Farm, Orchard and Fireside
Various
746 Gutenberg downloadsen2006Difficulty 45 (College)
Three Expeditions into the Interior of Eastern Australia, Volume 2 With Descriptions of the Recently Explored Region of Australia Felix, and of the Present Colony of New South Wales
Mitchell, T. L. (Thomas Livingstone)
745 Gutenberg downloadsen2004Difficulty 41 (College)
The Mason-Bees
Fabre, Jean-Henri
743 Gutenberg downloadsen2001Difficulty 51 (Graduate)
The Naturalist in La Plata
Hudson, W. H. (William Henry)
743 Gutenberg downloadsen2005Difficulty 63 (Academic)
Camping For Boys
Gibson, H. W. (Henry William)
742 Gutenberg downloadsen2005Difficulty 48 (College)
Among the Trees at Elmridge
Church, Ella Rodman
741 Gutenberg downloadsen2004Difficulty 43 (College)
A History of North American Birds; Land Birds; Vol. 1 of 3
Baird, Spencer Fullerton & Brewer, T. M. (Thomas Mayo) & Ridgway, Robert
740 Gutenberg downloadsen2017Difficulty 66 (Academic)
British Bees An Introduction into the Studies of the Natural History and Economy of the Bees Indigenous to the British Isles
Shuckard, William Edward
740 Gutenberg downloadsen2017Difficulty 72 (Expert)
The Strangest Things in the World: A Book About Extraordinary Manifestations of Nature
Henry, Thomas R. (Thomas Robert)
740 Gutenberg downloadsen2022Difficulty 53 (Graduate)
Hertfordshire
Tompkins, Herbert W. (Herbert Winckworth)
738 Gutenberg downloadsen2006Difficulty 50 (College)
The Farmer's Veterinarian: A Practical Treatise on the Diseases of Farm Stock
Burkett, Charles William
738 Gutenberg downloadsen2017Difficulty 49 (College)
Encyclopaedia Britannica, 11th Edition, "Horticulture" to "Hudson Bay" Volume 13, Slice 7
Various
736 Gutenberg downloadsen2012Difficulty 64 (Academic)
Home Life in All Lands—Book III—Animal Friends and Helpers
Morris, Charles
736 Gutenberg downloadsen2020Difficulty 48 (College)
Everyday Objects; Or, Picturesque Aspects of Natural History.
Adams, W. H. Davenport (William Henry Davenport)
735 Gutenberg downloadsen2014Difficulty 57 (Graduate)
Fishing with the fly : $b sketches by lovers of the art, with illustrations of standard flies
Unknown
735 Gutenberg downloadsen2014Difficulty 55 (Graduate)
Glimpses of Ocean Life; Or, Rock-Pools and the Lessons they Teach
Harper, John
734 Gutenberg downloadsen2016Difficulty 66 (Academic)
The life of Jean Henri Fabre, the entomologist, 1823-1910
Fabre, Augustin
733 Gutenberg downloadsen2024Difficulty 58 (Graduate)
Gardening for the Million
Pink, Alfred
732 Gutenberg downloadsen2004Difficulty 42 (College)
Rivers of Great Britain. The Thames, from Source to Sea. Descriptive, Historical, Pictorial
Various
730 Gutenberg downloadsen2014Difficulty 70 (Academic)
Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)
Burkett, Ray D.
729 Gutenberg downloadsen2011Difficulty 63 (Academic)
Our Edible Toadstools and Mushrooms and How to Distinguish Them A Selection of Thirty Native Food Varieties Easily Recognizable by their Marked Individualities, with Simple Rules for the Identification of Poisonous Species
Gibson, W. Hamilton (William Hamilton)
729 Gutenberg downloadsen2014Difficulty 69 (Academic)
Colour in the flower garden
Jekyll, Gertrude
728 Gutenberg downloadsen2015Difficulty 58 (Graduate)
The Life of the Grasshopper
Fabre, Jean-Henri
728 Gutenberg downloadsen2021Difficulty 51 (Graduate)
Young Folks' Library, Volume XI (of 20) Wonders of Earth, Sea and Sky
Unknown
728 Gutenberg downloadsen2005Difficulty 49 (College)
In the Wilds of South America
Miller, Leo E. (Leo Edward)
727 Gutenberg downloadsen2019Difficulty 62 (Academic)
Wake-Robin
Burroughs, John
727 Gutenberg downloadsen2003Difficulty 48 (College)
Ethnobotany of the Ojibwe Indians
Smith, Huron H. (Huron Herbert)
726 Gutenberg downloadsen2015Difficulty 53 (Graduate)
Locusts and Wild Honey
Burroughs, John
726 Gutenberg downloadsen2004Difficulty 49 (College)
The Geographical Distribution of Animals, Volume 1 With a study of the relations of living and extinct faunas as elucidating the past changes of the Earth's surface
Wallace, Alfred Russel
725 Gutenberg downloadsen2018Difficulty 58 (Graduate)
The Open Window: Tales of the Months
Wright, Mabel Osgood
725 Gutenberg downloadsen2019Difficulty 52 (Graduate)
Forest Trees of Texas: How to Know Them
Mattoon, Wilbur R. (Wilbur Reed) & Webster, C. B. (Cyril Bertram)
724 Gutenberg downloadsen2016Difficulty 56 (Graduate)
Observations of a Naturalist in the Pacific Between 1896 and 1899, Volume 2 Plant-Dispersal
Guppy, H. B. (Henry Brougham)
724 Gutenberg downloadsen2017Difficulty 59 (Graduate)
Citizen Bird: Scenes from Bird-Life in Plain English for Beginners
Wright, Mabel Osgood & Coues, Elliott
723 Gutenberg downloadsen2004Difficulty 39 (High School)
Our Friend John Burroughs
Barrus, Clara
722 Gutenberg downloadsen2004Difficulty 52 (Graduate)
The Nests and Eggs of Indian Birds, Volume 1
Hume, Allan Octavian
722 Gutenberg downloadsen2004Difficulty 49 (College)
Extinct birds : $b An attempt to unite in one volume a short account of those birds which have become extinct in historical times
Rothschild, Lionel Walter Rothschild, Baron
721 Gutenberg downloadsen2012Difficulty 55 (Graduate)
Het Leven der Dieren. Derde Deel, Hoofdstuk 1 tot 4, De Kruipende Dieren
Brehm, Alfred Edmund
721 Gutenberg downloadsnl2014
The Boys' and Girls' Pliny Being parts of Pliny's "Natural History" edited for boys and girls, with an Introduction
Pliny, the Elder
720 Gutenberg downloadsen2019Difficulty 47 (College)
The dog
Herbert, Henry William & Hutchinson, W. N. (William Nelson) & Mayhew, Edward
720 Gutenberg downloadsen2010Difficulty 52 (Graduate)
A Thousand-Mile Walk to the Gulf
Muir, John
715 Gutenberg downloadsen2019Difficulty 48 (College)
Talks About Flowers.
Wellcome, M. D., Mrs.
714 Gutenberg downloadsen2012Difficulty 50 (College)
Antarctic Penguins: A Study of Their Social Habits
Levick, G. Murray (George Murray)
713 Gutenberg downloadsen2011Difficulty 51 (Graduate)
A Catechism of Familiar Things; Their History, and the Events Which Led to Their Discovery. With a Short Explanation of Some of the Principal Natural Phenomena. For the Use of Schools and Families. Enlarged and Revised Edition.
Anonymous
710 Gutenberg downloadsen2005Difficulty 52 (Graduate)
Your National Parks, with Detailed Information for Tourists
Mills, Enos A. & Schmeckebier, Laurence Frederick
710 Gutenberg downloadsen2013Difficulty 54 (Graduate)
Diseases of the Horse's Foot
Reeks, H. Caulton (Harry Caulton)
709 Gutenberg downloadsen2004Difficulty 55 (Graduate)
The Yellowstone National Park: Historical and Descriptive
Chittenden, Hiram Martin
709 Gutenberg downloadsen2013Difficulty 55 (Graduate)
The Life-Story of Insects
Carpenter, George H. (George Herbert)
708 Gutenberg downloadsen2005Difficulty 57 (Graduate)
The Breath of Life
Burroughs, John
707 Gutenberg downloadsen2006Difficulty 57 (Graduate)
Common poisonous plants of New England
Youngken, Heber W., Jr. (Heber Wilkinson) & Karas, Joseph S.
706 Gutenberg downloadsen2023Difficulty 60 (Graduate)
Nature Books Popular and Scientific from The Franklin Bookshop, 1910 Catalogue 24, 1910-11 Season
Rhoads, Samuel N. (Samuel Nicholson)
706 Gutenberg downloadsen2014Difficulty 47 (College)
Trees of the Northern United States Their Study, Description and Determination
Apgar, A. C. (Austin Craig)
706 Gutenberg downloadsen2009Difficulty 53 (Graduate)
Big Game Shooting, volume 2 (of 2)
Phillipps-Wolley, Clive
705 Gutenberg downloadsen2015Difficulty 47 (College)
The Wonders of Instinct: Chapters in the Psychology of Insects
Fabre, Jean-Henri
705 Gutenberg downloadsen2003Difficulty 50 (College)
The Cambridge natural history, Vol. 07 (of 10)
Boulenger, George Albert & Bridge, T. W. (Thomas William) & Herdman, W. A. (William Abbott), Sir
704 Gutenberg downloadsen2024Difficulty 76 (Expert)
Surrey Painted by Sutton Palmer; Described by A.R. Hope Moncrieff
Moncrieff, A. R. Hope (Ascott Robert Hope)
702 Gutenberg downloadsen2014Difficulty 56 (Graduate)
The Footpath Way: An Anthology for Walkers
Unknown
702 Gutenberg downloadsen2019Difficulty 49 (College)
The outermost house : $b A year of life on the great beach of Cape Cod
Beston, Henry
702 Gutenberg downloadsen2024Difficulty 47 (College)
Proserpina, Volume 1 Studies of Wayside Flowers, While the Air was Yet Pure Among the Alps and in the Scotland and England Which My Father Knew
Ruskin, John
700 Gutenberg downloadsen2007Difficulty 52 (Graduate)
The Fern Lover's Companion A Guide for the Northeastern States and Canada
Tilton, George Henry
698 Gutenberg downloadsen2004Difficulty 57 (Graduate)
In Lakeland Dells and Fells
Palmer, William T.
697 Gutenberg downloadsen2020Difficulty 41 (College)
More Hunting Wasps
Fabre, Jean-Henri
696 Gutenberg downloadsen2002Difficulty 48 (College)
Crater Lake National Park, Oregon (1938)
United States. National Park Service
695 Gutenberg downloadsen2015Difficulty 54 (Graduate)
The ivory king : $b A popular history of the elephant and its allies
Holder, Charles Frederick
695 Gutenberg downloadsen2021Difficulty 54 (Graduate)
Birds in Town & Village
Hudson, W. H. (William Henry)
694 Gutenberg downloadsen2005Difficulty 52 (Graduate)
Life histories of North American wood warblers, Part 1 (of 2)
Bent, Arthur Cleveland
694 Gutenberg downloadsen2012Difficulty 66 (Academic)
The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species
Macbride, Thomas H. (Thomas Huston)
693 Gutenberg downloadsen2010Difficulty 63 (Academic)
Among the Mushrooms: A Guide For Beginners
Dallas, Ellen M. (Ellen Markoe) & Burgin, Caroline A.
691 Gutenberg downloadsen2006Difficulty 47 (College)
Texas Flowers in Natural Colors
Whitehouse, Eula
691 Gutenberg downloadsen2016Difficulty 61 (Academic)
Illustrative Anecdotes of the Animal Kingdom
Goodrich, Samuel G. (Samuel Griswold)
689 Gutenberg downloadsen2010Difficulty 54 (Graduate)
Cassell's Natural History, Vol. 2 (of 6)
Unknown
688 Gutenberg downloadsen2019Difficulty 99 (Quantum Electrodynamics)
Story of the Bible Animals A Description of the Habits and Uses of every living Creature mentioned in the Scriptures, with Explanation of Passages in the Old and New Testament in which Reference is made to them
Wood, J. G. (John George)
688 Gutenberg downloadsen2014Difficulty 38 (High School)
The Botanical Magazine, Vol. 06 Or, Flower-Garden Displayed
Curtis, William
688 Gutenberg downloadsen2007Difficulty 60 (Graduate)
Book of monsters : $b Portraits and biographies of a few of the inhabitants of woodland and meadow
Fairchild, David & Fairchild, Marian
686 Gutenberg downloadsen2012Difficulty 55 (Graduate)
Hodge and His Masters
Jefferies, Richard
686 Gutenberg downloadsen2004Difficulty 47 (College)
The Glow-Worm and Other Beetles
Fabre, Jean-Henri
685 Gutenberg downloadsen2009Difficulty 50 (College)
The Moths of the British Isles, Second Series Comprising the Families Noctuidæ to Hepialidæ
South, Richard
685 Gutenberg downloadsen2013Difficulty 50 (College)
Reise in die Aequinoctial-Gegenden des neuen Continents. Band 1.
Humboldt, Alexander von
682 Gutenberg downloadsde2007
The Charm of Gardens
Calthrop, Dion Clayton
682 Gutenberg downloadsen2017Difficulty 42 (College)
Ways of wood folk
Long, William J. (William Joseph)
681 Gutenberg downloadsen2006Difficulty 44 (College)
Hunting in Many Lands: The Book of the Boone and Crockett Club
Unknown
679 Gutenberg downloadsen2011Difficulty 45 (College)
Wood and garden : $b Notes and thoughts, practical and critical, of a working amateur
Jekyll, Gertrude
679 Gutenberg downloadsen2011Difficulty 65 (Academic)
Glaucus; Or, The Wonders of the Shore
Kingsley, Charles
678 Gutenberg downloadsen1996Difficulty 57 (Graduate)
Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3
Humboldt, Alexander von & Bonpland, Aimé
678 Gutenberg downloadsen2005Difficulty 58 (Graduate)
The Horse of America in His Derivation, History, and Development
Wallace, John Hankins
678 Gutenberg downloadsen2020Difficulty 81 (Specialist)
Cassell's book of birds; vol. 4
Brehm, Alfred Edmund
676 Gutenberg downloadsen2022Difficulty 58 (Graduate)
The Polar World A popular description of man and nature in the Arctic and Antarctic regions of the globe
Hartwig, G. (Georg)
675 Gutenberg downloadsen2020Difficulty 61 (Academic)
The Cambridge natural history, Vol. 04 (of 10)
Smith, Geoffrey & Thompson, D'Arcy Wentworth & Warburton, Cecil & Weldon, Walter Frank Raphael & Woods, Henry
673 Gutenberg downloadsen2023Difficulty 72 (Expert)
Illustrations of Exotic Entomology, Volume 1
Drury, Dru
672 Gutenberg downloadsen2014Difficulty 62 (Academic)
Travels Through North and South Carolina, Georgia, East and West Florida, the Cherokee Country, the Extensive Territories of the Muscogulges, or Creek Confederacy, and the Country of the Chactaws. Containing an Account of the Soil and Natural Productions of Those Regions, Together With Observations on the Manners of the Indians.
Bartram, William
672 Gutenberg downloadsen2020Difficulty 86 (Specialist)
Bambi : $b A life in the woods
Salten, Felix
670 Gutenberg downloadsen2024Difficulty 33 (High School)
The flowering plants of Africa An analytical key to the genera of African phanerograms
Thonner, Franz
670 Gutenberg downloadsen2022Difficulty 57 (Graduate)
Riding and Driving
Anderson, Edward L. (Edward Lowell) & Collier, Price
669 Gutenberg downloadsen2014Difficulty 43 (College)
The Art of Horse-Shoeing: A Manual for Farriers
Hunting, William
668 Gutenberg downloadsen2015Difficulty 50 (College)
Grain and Chaff from an English Manor
Savory, Arthur Herbert
667 Gutenberg downloadsen2004Difficulty 60 (Graduate)
Birds useful and birds harmful
Herman, Ottó & Owen, J. A. (Jean Allan)
666 Gutenberg downloadsen2016Difficulty 56 (Graduate)
Cats: Their Points and Characteristics With Curiosities of Cat Life, and a Chapter on Feline Ailments
Stables, Gordon
666 Gutenberg downloadsen2013Difficulty 42 (College)
The Child's Book of Nature Three parts in one
Hooker, Worthington
666 Gutenberg downloadsen2018Difficulty 36 (High School)
Thunder and Lightning
Flammarion, Camille
666 Gutenberg downloadsen2013Difficulty 49 (College)
Ornithological biography, Vol. 1 (of 5) : $b An account of the habits of the birds of the United States of America
Audubon, John James
665 Gutenberg downloadsen2018Difficulty 59 (Graduate)
Garden and Forest Weekly, Volume 1 No. 1, February 29, 1888
Various
664 Gutenberg downloadsen2010Difficulty 52 (Graduate)
The Horse in History
Tozer, Basil
664 Gutenberg downloadsen2017Difficulty 63 (Academic)
Ginseng and Other Medicinal Plants A Book of Valuable Information for Growers as Well as Collectors of Medicinal Roots, Barks, Leaves, Etc.
Harding, A. R. (Arthur Robert)
663 Gutenberg downloadsen2010Difficulty 51 (Graduate)
A Cotswold Village; Or, Country Life and Pursuits in Gloucestershire
Gibbs, J. Arthur (Joseph Arthur)
662 Gutenberg downloadsen2004Difficulty 56 (Graduate)
All About Dogs: A Book for Doggy People
Lane, Charles Henry
661 Gutenberg downloadsen2014Difficulty 50 (College)
Wanderings in South America
Waterton, Charles
661 Gutenberg downloadsen2005Difficulty 53 (Graduate)
Mammals of the Southwest Mountains and Mesas
Olin, George
660 Gutenberg downloadsen2016Difficulty 57 (Graduate)
The Junior Classics, Volume 8: Animal and Nature Stories
Unknown
660 Gutenberg downloadsen2005Difficulty 48 (College)
A-Birding on a Bronco
Bailey, Florence Merriam
658 Gutenberg downloadsen2010Difficulty 45 (College)
The Republic of Costa Rica
Niederlein, Gustavo
658 Gutenberg downloadsen2023Difficulty 57 (Graduate)
Conservation of marine birds of northern North America: papers from the international symposium held at the Seattle Hyatt House
Unknown
657 Gutenberg downloadsen2015Difficulty 68 (Academic)
The Way of the Wild
St. Mars, F.
657 Gutenberg downloadsen2006Difficulty 42 (College)
Rational Horse-Shoeing
Russell, John E. (John Edwards)
656 Gutenberg downloadsen2007Difficulty 56 (Graduate)
The Library of Work and Play: Outdoor Work
Miller, Mary Rogers
656 Gutenberg downloadsen2014Difficulty 48 (College)
The Bird Study Book
Pearson, T. Gilbert (Thomas Gilbert)
654 Gutenberg downloadsen2007Difficulty 52 (Graduate)
Alaska Days with John Muir
Young, Samuel Hall
652 Gutenberg downloadsen2009Difficulty 44 (College)
Fisherman's Luck and Some Other Uncertain Things
Van Dyke, Henry
652 Gutenberg downloadsen1997Difficulty 43 (College)
Wayside and woodland trees : $b a pocket guide to the British sylva
Step, Edward
652 Gutenberg downloadsen2010Difficulty 53 (Graduate)
A Guide to the Study of Fishes, Volume 1 (of 2)
Jordan, David Starr
650 Gutenberg downloadsen2014Difficulty 66 (Academic)
Ornithological biography, Vol. 3 (of 5) : $b An account of the habits of the birds of the United States of America
Audubon, John James
650 Gutenberg downloadsen2022Difficulty 69 (Academic)
Art-Studies from Nature, as Applied to Design For the use of architects, designers, and manufacturers
Hulme, F. Edward (Frederick Edward) & Glaisher, James & Hunt, Robert & Mackie, Samuel Joseph, active 1851-1872
649 Gutenberg downloadsen2016Difficulty 69 (Academic)
Life histories of North American woodpeckers
Bent, Arthur Cleveland
649 Gutenberg downloadsen2024Difficulty 65 (Academic)
Secrets of the woods
Long, William J. (William Joseph)
649 Gutenberg downloadsen1999Difficulty 45 (College)
The Adventures of Fleet Foot and Her Fawns A True-to-Nature Story for Children and Their Elders
Chaffee, Allen
649 Gutenberg downloadsen2011Difficulty 34 (High School)
Where the forest murmurs : $b Nature essays
Sharp, William
649 Gutenberg downloadsen2023Difficulty 47 (College)
About orchids : $b a chat
Boyle, Frederick
648 Gutenberg downloadsen2005Difficulty 49 (College)
New Zealand Moths and Butterflies (Macro-Lepidoptera)
Hudson, G. V. (George Vernon)
648 Gutenberg downloadsen2013Difficulty 60 (Graduate)
Bird-Lore, Volume I—1899
Various
647 Gutenberg downloadsen2014Difficulty 43 (College)
The Romance of Plant Life Interesting Descriptions of the Strange and Curious in the Plant World
Elliot, G. F. Scott (George Francis Scott)
647 Gutenberg downloadsen2014Difficulty 71 (Expert)
The Turquoise Story Book: Stories and Legends of Summer and Nature
Unknown
647 Gutenberg downloadsen2016Difficulty 47 (College)
Trees and Shrubs for English Gardens
Cook, E. T. (Ernest Thomas)
647 Gutenberg downloadsen2010Difficulty 58 (Graduate)
Argentine Ornithology, Volume 2 (of 2) A descriptive catalogue of the birds of the Argentine Republic.
Sclater, Philip Lutley & Hudson, W. H. (William Henry)
646 Gutenberg downloadsen2012Difficulty 56 (Graduate)
Kew Gardens With 24 full-page Illustrations in Colour
Moncrieff, A. R. Hope (Ascott Robert Hope)
646 Gutenberg downloadsen2017Difficulty 52 (Graduate)
A Natural History for Young People: Our Animal Friends in Their Native Homes including mammals, birds and fishes
Humphreys, Phebe Westcott
645 Gutenberg downloadsen2015Difficulty 63 (Academic)
Animal life of the British Isles : $b a pocket guide to the mammals, reptiles and batrachians of wayside and woodland
Step, Edward
645 Gutenberg downloadsen2014Difficulty 55 (Graduate)
The Natural History of Cage Birds Their Management, Habits, Food, Diseases, Treatment, Breeding, and the Methods of Catching Them.
Bechstein, Johann Matthäus
644 Gutenberg downloadsen2012Difficulty 56 (Graduate)
Tropic Days
Banfield, E. J. (Edmund James)
643 Gutenberg downloadsen2005Difficulty 58 (Graduate)
British Birds in Their Haunts
Johns, C. A. (Charles Alexander)
642 Gutenberg downloadsen2011Difficulty 54 (Graduate)
Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology
Linnean Society of London
642 Gutenberg downloadsen2007Difficulty 62 (Academic)
Cornell Nature-Study Leaflets Being a selection, with revision, from the teachers' leaflets, home nature-study lessons, junior naturalist monthlies and other publications from the College of Agriculture, Cornell University, Ithaca, N.Y., 1896-1904
New York State College of Agriculture
641 Gutenberg downloadsen2013Difficulty 48 (College)
Glimpses of America A Pictorial and Descriptive History of Our Country's Scenic Marvels
Buel, James W. (James William)
641 Gutenberg downloadsen2019Difficulty 78 (Expert)
Birds, Illustrated by Color Photography, Vol. 1, No. 1 January, 1897
Various
639 Gutenberg downloadsen2009Difficulty 40 (High School)
Cave Regions of the Ozarks and Black Hills
Owen, Luella Agnes
639 Gutenberg downloadsen2005Difficulty 61 (Academic)
West Virginia Trees
Brooks, A. B. (Alonzo Beecher)
639 Gutenberg downloadsen2016Difficulty 56 (Graduate)
A Book-Lover's Holidays in the Open
Roosevelt, Theodore
638 Gutenberg downloadsen2010Difficulty 51 (Graduate)
Birds of the Indian Hills
Dewar, Douglas
636 Gutenberg downloadsen2007Difficulty 51 (Graduate)
Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Plates Report on the Scientific Results of the Voyage of H.M.S. Challenger During the Years 1873-76, Vol. XVIII
Haeckel, Ernst
636 Gutenberg downloadsen2013Difficulty 53 (Graduate)
Bramble-Bees and Others
Fabre, Jean-Henri
635 Gutenberg downloadsen2002Difficulty 52 (Graduate)
Nether Lochaber The Natural History, Legends, and Folk-lore of the West Highlands
Stewart, Alexander, Rev.
635 Gutenberg downloadsen2017Difficulty 63 (Academic)
Poisonous Snakes of Texas and First Aid Treatment of Their Bites Bulletin No. 31
Werler, John E.
634 Gutenberg downloadsen2017Difficulty 58 (Graduate)
Winter Sunshine
Burroughs, John
633 Gutenberg downloadsen2003Difficulty 50 (College)
The Art and Practice of Hawking
Michell, E. B. (Edward Blair)
632 Gutenberg downloadsen2015Difficulty 62 (Academic)
The Boston Terrier and All About It A Practical, Scientific, and Up to Date Guide to the Breeding of the American Dog
Axtell, Edward
632 Gutenberg downloadsen2006Difficulty 58 (Graduate)
Your plants : $b Plain and practical directions for the treatment of tender and hardy plants in the house and in the garden
Sheehan, James
632 Gutenberg downloadsen2007Difficulty 50 (College)
Notes of a naturalist in South America
Ball, John
631 Gutenberg downloadsen2016Difficulty 67 (Academic)
Whale hunting with gun and camera A naturalist's account of the modern shore-whaling industry, of whales and their habits, and of hunting experiences in various parts of the world
Andrews, Roy Chapman
631 Gutenberg downloadsen2022Difficulty 87 (Specialist)
Cavity-Nesting Birds of North American Forests Agriculture Handbook 511
Scott, Virgil E. & Evans, Keith E. & Patton, David R. & Stone, Charles P.
630 Gutenberg downloadsen2015Difficulty 64 (Academic)
Horse Stories, and Stories of Other Animals
Knox, Thomas Wallace
630 Gutenberg downloadsen2016Difficulty 44 (College)
The Amphibians and Reptiles of Michoacán, México
Duellman, William Edward
628 Gutenberg downloadsen2010Difficulty 62 (Academic)
Report on the Dominion Government Expedition to Hudson Bay and the Arctic Islands on board the D.G.S. Neptune, 1903-1904
Low, A. P. (Albert Peter)
627 Gutenberg downloadsen2017Difficulty 63 (Academic)
The Ornithology of Shakespeare Critically examined, explained and illustrated
Harting, James Edmund
627 Gutenberg downloadsen2013Difficulty 51 (Graduate)
Aspects of nature, in different lands and different climates (Vol. 1 of 2) with scientific elucidations
Humboldt, Alexander von
626 Gutenberg downloadsen2022Difficulty 71 (Expert)
Stories of Birds
Mulets, Lenore Elizabeth
626 Gutenberg downloadsen2007Difficulty 32 (High School)
The Birds of Washington (Volume 1 of 2) A complete, scientific and popular account of the 372 species of birds found in the state
Dawson, William Leon & Bowles, John Hooper
626 Gutenberg downloadsen2014Difficulty 58 (Graduate)
The grizzly king : $b a romance of the wild
Curwood, James Oliver
626 Gutenberg downloadsen2004Difficulty 40 (High School)
Time and Change
Burroughs, John
626 Gutenberg downloadsen2004Difficulty 54 (Graduate)
Wild Animals of North America Intimate Studies of Big and Little Creatures of the Mammal Kingdom
Nelson, Edward William
625 Gutenberg downloadsen2019Difficulty 52 (Graduate)
Seventeen trips through Somáliland A record of exploration & big game shooting, 1885 to 1893
Swayne, H. G. C. (Harald G. C.)
622 Gutenberg downloadsen2018Difficulty 89 (Specialist)
The Cambridge natural history, Vol. 05 (of 10)
Sedgwick, Adam & Sharp, David & Sinclair, F. G. (Frederick Granville)
622 Gutenberg downloadsen2023Difficulty 66 (Academic)
The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee
Gray, Asa
622 Gutenberg downloadsen2012Difficulty 60 (Graduate)
Deadfalls and Snares A Book of Instruction for Trappers About These and Other Home-Made Traps
Harding, A. R. (Arthur Robert)
621 Gutenberg downloadsen2010Difficulty 37 (High School)
The alligator and its allies
Reese, A. M. (Albert Moore)
621 Gutenberg downloadsen2023Difficulty 53 (Graduate)
Insect life: Souvenirs of a naturalist
Fabre, Jean-Henri
620 Gutenberg downloadsen2022Difficulty 51 (Graduate)
The Gardens of the Sun A naturalist's journal on the mountains and in the forests and swamps of Borneo and the Sulu Archipelago
Burbidge, F. W. (Frederick William)
620 Gutenberg downloadsen2020Difficulty 63 (Academic)
The Heart of the Alleghanies; or, Western North Carolina
Zeigler, Wilbur Gleason & Grosscup, Ben S.
620 Gutenberg downloadsen2016Difficulty 63 (Academic)
Animals of the Past
Lucas, Frederic A. (Frederic Augustus)
619 Gutenberg downloadsen2011Difficulty 60 (Graduate)
In the Catskills: Selections from the Writings of John Burroughs
Burroughs, John
619 Gutenberg downloadsen2004Difficulty 49 (College)
Field, Forest and Farm Things interesting to young nature-lovers, including some matters of moment to gardeners and fruit-growers
Fabre, Jean-Henri
618 Gutenberg downloadsen2022Difficulty 54 (Graduate)
Growing Nuts in the North A Personal Story of the Author's Experience of 33 Years with Nut Culture in Minnesota and Wisconsin
Weschcke, Carl
617 Gutenberg downloadsen2006Difficulty 51 (Graduate)
The Mountain that was 'God' Being a Little Book About the Great Peak Which the Indians Named 'Tacoma' but Which is Officially Called 'Rainier'
Williams, John H. (John Harvey)
617 Gutenberg downloadsen2007Difficulty 49 (College)
Wild Ducks: How to Rear and Shoot Them
Oates, W. Coape
617 Gutenberg downloadsen2009Difficulty 48 (College)
The Rocky Mountain Wonderland
Mills, Enos A.
616 Gutenberg downloadsen2013Difficulty 49 (College)
Cornwall
Baring-Gould, S. (Sabine)
614 Gutenberg downloadsen2011Difficulty 52 (Graduate)
Venezuela
Dalton, Leonard V. (Leonard Victor)
614 Gutenberg downloadsen2023Difficulty 100 (Quantum Electrodynamics)
The Natural History of Selborne, Vol. 2
White, Gilbert
613 Gutenberg downloadsen2007Difficulty 55 (Graduate)
The Wild Elephant and the Method of Capturing and Taming it in Ceylon
Tennent, James Emerson, Sir
613 Gutenberg downloadsen2018Difficulty 65 (Academic)
Gardening without irrigation : $b or without much, anyway
Solomon, Steve
610 Gutenberg downloadsen2003Difficulty 54 (Graduate)
The Barren Ground Caribou of Keewatin
Harper, Francis
609 Gutenberg downloadsen2010Difficulty 59 (Graduate)
New-England's rarities discovered : $b In birds, beasts, fishes, serpents, and plants of that country
Josselyn, John, active 1630-1675
608 Gutenberg downloadsen2023Difficulty 57 (Graduate)
Practical taxidermy : $b a manual of instruction to the amateur in collecting, preserving, and setting up natural history specimens of all kinds. To which is added a chapter upon the pictorial arrangement of museums. With additional instructions in modelling and artistic taxidermy.
Browne, Montagu
607 Gutenberg downloadsen2008Difficulty 64 (Academic)
Travels in the East Indian archipelago
Bickmore, Albert S. (Albert Smith)
607 Gutenberg downloadsen2024Difficulty 68 (Academic)
Wild Apples
Thoreau, Henry David
607 Gutenberg downloadsen2003Difficulty 49 (College)
Color Key to North American Birds with bibliographical appendix
Chapman, Frank M. (Frank Michler)
606 Gutenberg downloadsen2011Difficulty 57 (Graduate)
Narrative of the Voyage of H.M.S. Rattlesnake, Commanded By the Late Captain Owen Stanley, R.N., F.R.S. Etc. During the Years 1846-1850. — Volume 2 Including Discoveries and Surveys in New Guinea, the Louisiade Archipelago, Etc. to Which Is Added the Account of Mr. E.B. Kennedy's Expedition for the Exploration of the Cape York Peninsula. By John Macgillivray, F.R.G.S. Naturalist to the Expedition.
MacGillivray, John
606 Gutenberg downloadsen2004Difficulty 54 (Graduate)
Argentine Ornithology, Volume 1 (of 2) A descriptive catalogue of the birds of the Argentine Republic.
Sclater, Philip Lutley & Hudson, W. H. (William Henry)
605 Gutenberg downloadsen2012Difficulty 62 (Academic)
Nests and Eggs of Birds of the United States Illustrated
Gentry, Thomas G. (Thomas George)
605 Gutenberg downloadsen2014Difficulty 60 (Graduate)
Bird Biographies
Ball, Alice Eliza
604 Gutenberg downloadsen2019Difficulty 57 (Graduate)
Lameness of the Horse Veterinary Practitioners' Series, No. 1
Lacroix, John Victor
604 Gutenberg downloadsen2005Difficulty 65 (Academic)
A Book of Dartmoor Second Edition
Baring-Gould, S. (Sabine)
603 Gutenberg downloadsen2016Difficulty 47 (College)
The Horses of the Sahara and the Manners of the Desert
Daumas, E.‏ (Eugène)
603 Gutenberg downloadsen2016Difficulty 50 (College)
The Writings of John Burroughs — Volume 05: Pepacton
Burroughs, John
603 Gutenberg downloadsen2005Difficulty 43 (College)
Carpet Beetles and Their Control
Back, E. A. (Ernest Adna)
602 Gutenberg downloadsen2019Difficulty 55 (Graduate)
The Mountains
White, Stewart Edward
602 Gutenberg downloadsen1996Difficulty 45 (College)
The Wild Garden Or Our Groves and Gardens Made Beautiful by the Naturalisation of Hardy Exotic Plants; Being One Way Onwards from the Dark Ages
Robinson, W. (William)
602 Gutenberg downloadsen2014Difficulty 62 (Academic)
Daddy Takes Us to the Garden The Daddy Series for Little Folks
Garis, Howard Roger
601 Gutenberg downloadsen2005Difficulty 27 (Middle School)
Wild Bees, Wasps and Ants and Other Stinging Insects
Saunders, Edward
600 Gutenberg downloadsen2010Difficulty 52 (Graduate)
The Sacred Beetle, and Others
Fabre, Jean-Henri
599 Gutenberg downloadsen2021Difficulty 56 (Graduate)
Poachers and Poaching
Watson, John, F.L.S.
598 Gutenberg downloadsen2013Difficulty 42 (College)
The Insect Folk
Morley, Margaret Warner
598 Gutenberg downloadsen2006Difficulty 31 (High School)
Fifty Years a Hunter and Trapper Autobiography, experiences and observations of Eldred Nathaniel Woodcock during his fifty years of hunting and trapping.
Woodcock, E. N. (Eldred Nathaniel)
597 Gutenberg downloadsen2010Difficulty 42 (College)
Johnny Bear, and Other Stories from Lives of the Hunted
Seton, Ernest Thompson
597 Gutenberg downloadsen2005Difficulty 44 (College)
Les abeilles
Pérez, Jean M.
597 Gutenberg downloadsfr2011
The Botanical Magazine, Vol. 01 Or, Flower-Garden Displayed
Curtis, William
597 Gutenberg downloadsen2005Difficulty 57 (Graduate)
Lobo, Rag and Vixen Being The Personal Histories Of Lobo, Redruff, Raggylug & Vixen
Seton, Ernest Thompson
596 Gutenberg downloadsen2004Difficulty 49 (College)
The Ocean World: Being a Description of the Sea and Its Living Inhabitants.
Figuier, Louis
596 Gutenberg downloadsen2014Difficulty 56 (Graduate)
Stories about Animals: with Pictures to Match
Woodworth, Francis C. (Francis Channing)
595 Gutenberg downloadsen2006Difficulty 50 (College)
The Flower Garden
Bennett, Ida D. (Ida Dandridge)
595 Gutenberg downloadsen2017Difficulty 50 (College)
Fruits of the Hawaiian Islands
Wilder, Gerrit Parmile
594 Gutenberg downloadsen2013Difficulty 52 (Graduate)
Half hours with the lower animals : $b protozoans, sponges, corals, shells, insects, and crustaceans
Holder, Charles Frederick
594 Gutenberg downloadsen2016Difficulty 51 (Graduate)
Jungle Peace
Beebe, William
593 Gutenberg downloadsen2011Difficulty 61 (Academic)
The Sea and Its Living Wonders A Popular Account of the Marvels of the Deep and of the Progress of Martime Discovery from the Earliest Ages to the Present Time
Hartwig, G. (Georg)
593 Gutenberg downloadsen2020Difficulty 62 (Academic)
The Life of the Caterpillar
Fabre, Jean-Henri
592 Gutenberg downloadsen2021Difficulty 51 (Graduate)
The Nursery-Book: A Complete Guide to the Multiplication and Pollination of Plants
Bailey, L. H. (Liberty Hyde)
592 Gutenberg downloadsen2015Difficulty 50 (College)
Animal Life in Field and Garden
Fabre, Jean-Henri
589 Gutenberg downloadsen2021Difficulty 47 (College)
Cassell's book of birds; vol. 1
Brehm, Alfred Edmund
589 Gutenberg downloadsen2015Difficulty 61 (Academic)
Wild Animals of Yellowstone National Park
Brodrick, Harold J.
589 Gutenberg downloadsen2019Difficulty 57 (Graduate)
Ducks at a Distance: A Waterfowl Identification Guide
Hines, Bob
588 Gutenberg downloadsen2006Difficulty 49 (College)
The Sea Shore
Furneaux, William S.
588 Gutenberg downloadsen2013Difficulty 49 (College)
Trees Worth Knowing
Rogers, Julia Ellen
588 Gutenberg downloadsen2011Difficulty 50 (College)
Hawaiian Flowers
Kuck, Loraine E. & Tongg, Richard C.
587 Gutenberg downloadsen2018Difficulty 52 (Graduate)
An introduction to the study of mammals living and extinct
Flower, William Henry & Lydekker, Richard
586 Gutenberg downloadsen2025Difficulty 77 (Expert)
Home Vegetable Gardening A Complete and Practical Guide to the Planting and Care of All Vegetables, Fruits and Berries Worth Growing for Home Use
Rockwell, F. F. (Frederick Frye)
586 Gutenberg downloadsen2004Difficulty 51 (Graduate)
Rustic Sounds, and Other Studies in Literature and Natural History
Darwin, Francis, Sir
586 Gutenberg downloadsen2010Difficulty 51 (Graduate)
Adventures in Contentment
Grayson, David
585 Gutenberg downloadsen2004Difficulty 39 (High School)
Exploration of the Valley of the Amazon, Part 2 (of 2)
Herndon, William Lewis & Gibbon, Lardner
585 Gutenberg downloadsen2018Difficulty 63 (Academic)
Stickeen
Muir, John
585 Gutenberg downloadsen2004Difficulty 52 (Graduate)
The Naturalist on the Thames
Cornish, C. J. (Charles John)
585 Gutenberg downloadsen2005Difficulty 53 (Graduate)
Weather proverbs
Dunwoody, H. H. C. (Henry Harrison Chase)
585 Gutenberg downloadsen2024Difficulty 54 (Graduate)
Great Possessions
Grayson, David
584 Gutenberg downloadsen2004Difficulty 45 (College)
The useful trees of northern Nigeria
Lely, Hugh Vandervaes
584 Gutenberg downloadsen2023Difficulty 56 (Graduate)
Bulletin of the Nuttall Ornithological Club : $b A quarterly journal of ornithology, Volume VII (1882)
Nuttall Ornithological Club
583 Gutenberg downloadsen2024Difficulty 54 (Graduate)
Prairie Farmer, Vol. 56: No. 3, January 19, 1884. A Weekly Journal for the Farm, Orchard and Fireside
Various
583 Gutenberg downloadsen2007Difficulty 50 (College)
The Bird
Michelet, Jules
583 Gutenberg downloadsen2013Difficulty 50 (College)
The romance of natural history, second series
Gosse, Philip Henry
583 Gutenberg downloadsen2010Difficulty 76 (Expert)
Dogs of all nations a complete work, profusely illustrated, bearing on the world's different varieties of the dog, grouped under their several nationalities, with descriptive matter explaining the characteristics and utility of each
Mason, Walter Esplin
582 Gutenberg downloadsen2022Difficulty 45 (College)
The butterfly guide : $b A pocket manual for the ready identification of the commoner species found in the United States and Canada
Holland, W. J. (William Jacob)
582 Gutenberg downloadsen2024Difficulty 54 (Graduate)
The Stories Mother Nature Told Her Children
Andrews, Jane
582 Gutenberg downloadsen2004Difficulty 47 (College)
Animal Sanctuaries in Labrador An Address Presented by Lt.-Colonel William Wood, F.R.S.C. before the Second Annual Meeting of the Commission of Conservation at Quebec, January, 1911
Wood, William
581 Gutenberg downloadsen2005Difficulty 52 (Graduate)
Taxidermy and Zoological Collecting A Complete Handbook for the Amateur Taxidermist, Collector, Osteologist, Museum-Builder, Sportsman, and Traveller
Hornaday, William T. (William Temple) & Holland, W. J. (William Jacob)
581 Gutenberg downloadsen2012Difficulty 49 (College)
Creatures of the Night: A Book of Wild Life in Western Britain
Rees, Alfred Wellesley
580 Gutenberg downloadsen2009Difficulty 62 (Academic)
Poison-ivy, poison-oak and poison sumac : $b Identification, precautions, eradication
Crooks, D. M. (Donald Mundell) & Kephart, L. W. (Leonard Wheeler)
580 Gutenberg downloadsen2019Difficulty 54 (Graduate)
Success with Small Fruits
Roe, Edward Payson
580 Gutenberg downloadsen2004Difficulty 54 (Graduate)
The National Geographic Magazine, Vol. III. (Complete), 1891
Various
580 Gutenberg downloadsen2020Difficulty 52 (Graduate)
Wild beasts : $b A study of the characters and habits of the elephant, lion, leopard, panther, jaguar, tiger, puma, wolf, and grizzly bear
Porter, J. Hampden (John Hampden)
580 Gutenberg downloadsen2023Difficulty 62 (Academic)
The Industries of Animals
Houssay, Frédéric
579 Gutenberg downloadsen2009Difficulty 64 (Academic)
Wake-Robin
Burroughs, John
578 Gutenberg downloadsen2011Difficulty 52 (Graduate)
Agate Fossil Beds National Monument, Nebraska
United States. National Park Service
577 Gutenberg downloadsen2018Difficulty 51 (Graduate)
Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz
Legler, John M.
577 Gutenberg downloadsen2011Difficulty 63 (Academic)
Outdoor pastimes of an American hunter
Roosevelt, Theodore
577 Gutenberg downloadsen2020Difficulty 51 (Graduate)
Diseases of cattle, sheep, goats and swine
Moussu, G. (Gustave) & Dollar, Jno. A. W. (John A. W.)
576 Gutenberg downloadsen2024Difficulty 82 (Specialist)
The Geographical Distribution of Animals, Volume 2 With a study of the relations of living and extinct faunas as elucidating the past changes of the Earth's surface
Wallace, Alfred Russel
576 Gutenberg downloadsen2018Difficulty 64 (Academic)
Animal Heroes
Seton, Ernest Thompson
575 Gutenberg downloadsen2000Difficulty 41 (College)
In the Andamans and Nicobars: The Narrative of a Cruise in the Schooner "Terrapin"
Kloss, C. Boden (Cecil Boden)
575 Gutenberg downloadsen2011Difficulty 70 (Academic)
Northern Nut Growers Association, Report Of The Proceedings At The Tenth Annual Meeting. Battle Creek, Michigan, December 9 and 10, 1919
Unknown
575 Gutenberg downloadsen2006Difficulty 49 (College)
Birds, Illustrated by Color Photography, Vol. 1, No. 5 May, 1897
Various
574 Gutenberg downloadsen2008Difficulty 47 (College)
The zoology of the voyage of H.M.S. Beagle [vol. 3 of 5] : $b Birds
Gould, John
574 Gutenberg downloadsen2024Difficulty 54 (Graduate)
The Amateur Garden
Cable, George Washington
573 Gutenberg downloadsen2006Difficulty 56 (Graduate)
A New Illustrated Edition of J. S. Rarey's Art of Taming Horses With the Substance of the Lectures at the Round House, and Additional Chapters on Horsemanship and Hunting, for the Young and Timid
Rarey, J. S. (John Solomon)
572 Gutenberg downloadsen2009Difficulty 50 (College)
Seaward Sussex: The South Downs from End to End
Holmes, Edric
572 Gutenberg downloadsen2004Difficulty 57 (Graduate)
Life at the Zoo: Notes and Traditions of the Regent's Park Gardens
Cornish, C. J. (Charles John)
571 Gutenberg downloadsen2020Difficulty 62 (Academic)
The Grizzly, Our Greatest Wild Animal
Mills, Enos A.
571 Gutenberg downloadsen2013Difficulty 46 (College)
The Hills and the Vale
Jefferies, Richard
571 Gutenberg downloadsen2010Difficulty 56 (Graduate)
Harper's Outdoor Book for Boys
Adams, Joseph H. (Joseph Henry)
570 Gutenberg downloadsen2016Difficulty 48 (College)
A naturalist in Madagascar A record of observation, experiences, and impressions made during a period of over fifty years' intimate association with the natives and study of the animal & vegetable life of the island
Sibree, James
569 Gutenberg downloadsen2022Difficulty 100 (Quantum Electrodynamics)
The Cambridge natural history, Vol. 09 (of 10)
Evans, A. H. (Arthur Humble)
569 Gutenberg downloadsen2024Difficulty 59 (Graduate)
How animals talk : $b And other pleasant studies of birds and beast
Long, William J. (William Joseph)
568 Gutenberg downloadsen2024Difficulty 54 (Graduate)
Mammals of Mesa Verde National Park, Colorado
Anderson, Sydney
568 Gutenberg downloadsen2010Difficulty 53 (Graduate)
Guida delle Prealpi Giulie Distretti di Gemona, Tarcento, S. Daniele, Cividale e S. Pietro
Marinelli, Olinto
567 Gutenberg downloadsit2013
The Ocean and Its Wonders
Ballantyne, R. M. (Robert Michael)
567 Gutenberg downloadsen2007Difficulty 58 (Graduate)
The Vegetable Garden: What, When, and How to Plant
Anonymous
567 Gutenberg downloadsen2013Difficulty 63 (Academic)
Travels in the Interior of Brazil Principally through the northern provinces, and the gold and diamond districts, during the years 1836-1841
Gardner, George
567 Gutenberg downloadsen2018Difficulty 85 (Specialist)
Big Bend National Park, Texas
United States. National Park Service. Division of Publications
566 Gutenberg downloadsen2016Difficulty 53 (Graduate)
The Book of Camp-Lore and Woodcraft
Beard, Daniel Carter
566 Gutenberg downloadsen2013Difficulty 44 (College)
The Rifle and the Hound in Ceylon
Baker, Samuel White, Sir
566 Gutenberg downloadsen2002Difficulty 58 (Graduate)
American Big Game in Its Haunts: The Book of the Boone and Crockett Club
Unknown
565 Gutenberg downloadsen2003Difficulty 56 (Graduate)
Lines in Pleasant Places: Being the Aftermath of an Old Angler
Senior, William
565 Gutenberg downloadsen2007Difficulty 54 (Graduate)
Stories of the Universe: Animal Life
Lindsay, B.
565 Gutenberg downloadsen2012Difficulty 51 (Graduate)
The Arctic World : $b Its plants, animals, and natural phenomena. With a historical sketch of Arctic discovery, down to the British polar expedition: 1875-76.
Anonymous
564 Gutenberg downloadsen2023Difficulty 60 (Graduate)
The Game Fish, of the Northern States and British Provinces With an account of the salmon and sea-trout fishing of Canada and New Brunswick, together with simple directions for tying artificial flies, etc., etc.
Roosevelt, Robert Barnwell
564 Gutenberg downloadsen2017Difficulty 56 (Graduate)
British Pomology Or, the History, Description, Classification, and Synonymes, of the Fruits and Fruit Trees of Great Britain
Hogg, Robert
563 Gutenberg downloadsen2014Difficulty 58 (Graduate)
Fox Trapping: A Book of Instruction Telling How to Trap, Snare, Poison and Shoot A Valuable Book for Trappers
Harding, A. R. (Arthur Robert)
563 Gutenberg downloadsen2010Difficulty 37 (High School)
My Garden Acquaintance
Lowell, James Russell
563 Gutenberg downloadsen1997Difficulty 50 (College)
An Introduction to Entomology: Vol. 2 or Elements of the Natural History of the Insects
Kirby, William & Spence, William
562 Gutenberg downloadsen2013Difficulty 61 (Academic)
Madame Young's Guide to Health Her experience and practice for nearly forty years; a true family herbal, wherein is displayed the true properties and medical virtues of all the roots, herbs, &c., indigenous to the United States, and their combination in all the diseases the human body is heir to; also, an explanation of the human body, its liability to injuries through ignorance of its structure. Dedicated exclusively to her sex.
Young, Amelia
562 Gutenberg downloadsen2017Difficulty 62 (Academic)
The History of Insects
Unknown
562 Gutenberg downloadsen2004Difficulty 55 (Graduate)
The Open Air
Jefferies, Richard
562 Gutenberg downloadsen2004Difficulty 40 (High School)
Cassell's book of birds; vol. 3
Brehm, Alfred Edmund
561 Gutenberg downloadsen2019Difficulty 62 (Academic)
My Boyhood
Burroughs, John
561 Gutenberg downloadsen2005Difficulty 43 (College)
On the Seashore Cassell's "Eyes and No Eyes" Series, Book VII
Smith, R. Cadwallader
561 Gutenberg downloadsen2003Difficulty 35 (High School)
The Life and Love of the Insect
Fabre, Jean-Henri
560 Gutenberg downloadsen2022Difficulty 50 (College)
The Western World Picturesque Sketches of Nature and Natural History in North and South America
Kingston, William Henry Giles
560 Gutenberg downloadsen2008Difficulty 62 (Academic)
A Description of the Bar-and-Frame-Hive With an Abstract of Wildman's Complete Guide for the Management of Bees Throughout the Year
Munn, William Augustus
559 Gutenberg downloadsen2006Difficulty 57 (Graduate)
A Hand-book to the Primates, Volume 1 (of 2)
Forbes, Henry O. (Henry Ogg)
559 Gutenberg downloadsen2013Difficulty 56 (Graduate)
Engravings of Lions, Tigers, Panthers, Leopards, Dogs, &c.
Unknown
559 Gutenberg downloadsen2016Difficulty 59 (Graduate)
Journal of the Proceedings of the Linnean Society - Vol. 4 Zoology
Linnean Society of London
559 Gutenberg downloadsen2014Difficulty 61 (Academic)
The Harvest of the Sea A contribution to the natural and economic history of the British food fishes
Bertram, James Glass
559 Gutenberg downloadsen2020Difficulty 66 (Academic)
Over Prairie Trails
Grove, Frederick Philip
558 Gutenberg downloadsen2004Difficulty 42 (College)
Country Walks of a Naturalist with His Children
Houghton, W. (William)
557 Gutenberg downloadsen2007Difficulty 46 (College)
Domesticated animals : $b Their relation to man and to his advancement in civilization
Shaler, Nathaniel Southgate
557 Gutenberg downloadsen2008Difficulty 63 (Academic)
Our Domestic Birds: Elementary Lessons in Aviculture
Robinson, John H. (John Henry)
556 Gutenberg downloadsen2010Difficulty 61 (Academic)
The flowers and gardens of Japan
Du Cane, Florence
556 Gutenberg downloadsen2017Difficulty 58 (Graduate)
The Land's End: A Naturalist's Impressions In West Cornwall, Illustrated
Hudson, W. H. (William Henry)
556 Gutenberg downloadsen2015Difficulty 51 (Graduate)
The Practical Garden-Book Containing the Simplest Directions for the Growing of the Commonest Things about the House and Garden
Hunn, Charles Elias & Bailey, L. H. (Liberty Hyde)
556 Gutenberg downloadsen2010Difficulty 48 (College)
Bandelier National Monument, New Mexico
Wing, Kittridge A.
555 Gutenberg downloadsen2015Difficulty 61 (Academic)
Big Game Shooting, volume 1 (of 2)
Phillipps-Wolley, Clive
555 Gutenberg downloadsen2015Difficulty 48 (College)
Animal Children: The Friends of the Forest and the Plain
Kirkwood, Edith Brown
554 Gutenberg downloadsen2006Difficulty 40 (High School)
The Botanical Magazine, Vol. 07 Or, Flower-Garden Displayed
Curtis, William
554 Gutenberg downloadsen2007Difficulty 58 (Graduate)
The Shakespeare Garden
Singleton, Esther
554 Gutenberg downloadsen2020Difficulty 57 (Graduate)
Bears I Have Met—and Others
Kelly, Allen
553 Gutenberg downloadsen2005Difficulty 50 (College)
Een Broertje van den Beer
Long, William J. (William Joseph)
553 Gutenberg downloadsnl2007
Ethel Morton's Enterprise
Smith, Mabell S. C. (Mabell Shippie Clarke)
553 Gutenberg downloadsen2004Difficulty 38 (High School)
Glacier National Park [Montana]
United States. Department of the Interior
552 Gutenberg downloadsen2011Difficulty 53 (Graduate)
In Pastures Green
McArthur, Peter
552 Gutenberg downloadsen2015Difficulty 43 (College)
The Confessions of a Beachcomber
Banfield, E. J. (Edmund James)
552 Gutenberg downloadsen2004Difficulty 60 (Graduate)
The romance of insect life : $b Interesting descriptions of the strange and curious in the insect world
Selous, Edmund
552 Gutenberg downloadsen2023Difficulty 76 (Expert)
An Illustrated Handbook of Mount Vernon, the Home of Washington
Mount Vernon Ladies' Association of the Union
551 Gutenberg downloadsen2017Difficulty 58 (Graduate)
The Heart of Nature; or, The Quest for Natural Beauty
Younghusband, Francis Edward, Sir
551 Gutenberg downloadsen2008Difficulty 53 (Graduate)
The School Book of Forestry
Pack, Charles Lathrop
551 Gutenberg downloadsen2004Difficulty 48 (College)
The wilds of Patagonia : $b a narrative of the Swedish expedition to Patagonia, Tierra del Fuego and the Falkland Islands in 1907-1909
Skottsberg, Carl
551 Gutenberg downloadsen2025Difficulty 61 (Academic)
Buffon's Natural History, Volume 02 (of 10) Containing a Theory of the Earth, a General History of Man, of the Brute Creation, and of Vegetables, Mineral, &c. &c
Buffon, Georges Louis Leclerc, comte de
550 Gutenberg downloadsen2014Difficulty 63 (Academic)
Life History of the Kangaroo Rat
Vorhies, Charles Taylor & Taylor, Walter P. (Walter Penn)
550 Gutenberg downloadsen2006Difficulty 62 (Academic)
Of Walks and Walking Tours: An Attempt to find a Philosophy and a Creed
Haultain, Arnold
550 Gutenberg downloadsen2014Difficulty 50 (College)
Outlines of Lessons in Botany, Part I; from Seed to Leaf For the Use of Teachers, or Mothers Studying with Their Children
Moore, Jane Newell
550 Gutenberg downloadsen2004Difficulty 42 (College)
The giant sequoia : $b An account of the history and characteristics of the big trees of California
Ellsworth, Rodney Sydes
550 Gutenberg downloadsen2025Difficulty 56 (Graduate)
The Structure and Habits of Spiders
Emerton, J. H. (James Henry)
550 Gutenberg downloadsen2018Difficulty 44 (College)
Buffon's Natural History. Volume 08 (of 10) Containing a Theory of the Earth, a General History of Man, of the Brute Creation, and of Vegetables, Minerals, &c. &c
Buffon, Georges Louis Leclerc, comte de
549 Gutenberg downloadsen2014Difficulty 61 (Academic)
Cruise of the "Alert" : $b Four years in Patagonian, Polynesian, and Mascarene waters (1878-82)
Coppinger, R. W. (Richard William)
549 Gutenberg downloadsen2013Difficulty 75 (Expert)
In Beaver World
Mills, Enos A.
549 Gutenberg downloadsen2013Difficulty 47 (College)
Roses and Rose Growing
Kingsley, Rose Georgina
549 Gutenberg downloadsen2010Difficulty 47 (College)
California: The Land of the Sun
Austin, Mary
548 Gutenberg downloadsen2014Difficulty 50 (College)
Under the Maples
Burroughs, John
548 Gutenberg downloadsen2009Difficulty 44 (College)
Wild flowers of the north-eastern states : $b Being three hundred and eight individuals common to the north-eastern United States
Miller, Ellen & Whiting, Margaret C. (Margaret Christine)
548 Gutenberg downloadsen2024Difficulty 59 (Graduate)
A woman's hardy garden
Ely, Helena Rutherfurd
547 Gutenberg downloadsen2014Difficulty 52 (Graduate)
Lachesis Lapponica; Or, A Tour in Lapland, Volume 1
Linné, Carl von
547 Gutenberg downloadsen2010Difficulty 54 (Graduate)
The Woodpeckers
Eckstorm, Fannie Hardy
547 Gutenberg downloadsen2011Difficulty 51 (Graduate)
本草備要
Wang, Ang
547 Gutenberg downloadszh2008
The Principal Species of Wood: Their Characteristic Properties First Edition
Snow, Charles H. (Charles Henry)
546 Gutenberg downloadsen2014Difficulty 60 (Graduate)
Sheep, Swine, and Poultry Embracing the History and Varieties of Each; The Best Modes of Breeding; Their Feeding and Management; Together with etc.
Jennings, Robert
545 Gutenberg downloadsen2012Difficulty 76 (Expert)
Appletons' Popular Science Monthly, December 1898 Volume LIV, No. 2, December 1898
Various
544 Gutenberg downloadsen2013Difficulty 58 (Graduate)
Poisonous Dwellers of the Desert
Dodge, Natt N. (Natt Noyes)
544 Gutenberg downloadsen2017Difficulty 61 (Academic)
The Pageant of Summer
Jefferies, Richard
544 Gutenberg downloadsen1996Difficulty 44 (College)
Zimmerblattpflanzen
Dammer, Udo
544 Gutenberg downloadsde2007
Hunting Dogs Describes in a Practical Manner the Training, Handling, Treatment, Breeds, Etc., Best Adapted for Night Hunting as Well as Gun Dogs for Daylight Sport
Hartley, Oliver
543 Gutenberg downloadsen2010Difficulty 48 (College)
Popular Official Guide to the New York Zoological Park (September 1915) Thirteenth Edition
Hornaday, William T. (William Temple)
543 Gutenberg downloadsen2016Difficulty 67 (Academic)
Aspects of nature, in different lands and different climates (Vol. 2 of 2) with scientific elucidations
Humboldt, Alexander von
542 Gutenberg downloadsen2022Difficulty 72 (Expert)
Buffon's Natural History. Volume 06 (of 10) Containing a Theory of the Earth, a General History of Man, of the Brute Creation, and of Vegetables, Minerals, &c. &c
Buffon, Georges Louis Leclerc, comte de
542 Gutenberg downloadsen2014Difficulty 60 (Graduate)
Tarka the otter : $b his joyful water-life and death in the country of the two rivers
Williamson, Henry
542 Gutenberg downloadsen2025Difficulty 43 (College)
What bird is that? : $b A pocket museum of the land birds of the eastern United States, arranged according to season
Chapman, Frank M. (Frank Michler)
542 Gutenberg downloadsen2010Difficulty 43 (College)
A narrative of travels on the Amazon and Rio Negro, : $b with an account of the native tribes, and observations on the climate, geology, and natural history of the Amazon valley
Wallace, Alfred Russel
541 Gutenberg downloadsen2023Difficulty 65 (Academic)
Modern Whaling & Bear-Hunting A record of present-day whaling with up-to-date appliances in many parts of the world, and of bear and seal hunting in the Arctic regions
Burn Murdoch, W. G. (William Gordon)
540 Gutenberg downloadsen2022Difficulty 76 (Expert)
The Wit of a Duck and Other Papers
Burroughs, John
540 Gutenberg downloadsen2007Difficulty 47 (College)
The Canadian Horticulturist, Volume I Compendium & Index
Various
539 Gutenberg downloadsen2018Difficulty 57 (Graduate)
The Fat of the Land: The Story of an American Farm
Streeter, John Williams
539 Gutenberg downloadsen2005Difficulty 44 (College)
The Story of Opal: The Journal of an Understanding Heart
Whiteley, Opal Stanley
539 Gutenberg downloadsen2013Difficulty 47 (College)
Travels on the Amazon
Wallace, Alfred Russel
539 Gutenberg downloadsen2016Difficulty 65 (Academic)
Bird Watching
Selous, Edmund
538 Gutenberg downloadsen2015Difficulty 52 (Graduate)
The Orchid Album, Volume 1 Comprising Coloured Figures and Descriptions of New, Rare, and Beautiful Orchidaceous Plants
Moore, Thomas
538 Gutenberg downloadsen2017Difficulty 56 (Graduate)
Birds and Man
Hudson, W. H. (William Henry)
537 Gutenberg downloadsen2011Difficulty 60 (Graduate)
Botany for Ladies or, A Popular Introduction to the Natural System of Plants, According to the Classification of De Candolle.
Loudon, Mrs. (Jane)
537 Gutenberg downloadsen2014Difficulty 54 (Graduate)
Concerning Animals and Other Matters
Aitken, Edward Hamilton
537 Gutenberg downloadsen2004Difficulty 54 (Graduate)
Trees of Indiana First Revised Edition (Publication No. 13, Department of Conservation, State of Indiana)
Deam, Charles Clemon
537 Gutenberg downloadsen2012Difficulty 50 (College)
Eccentricities of the Animal Creation.
Timbs, John
536 Gutenberg downloadsen2013Difficulty 49 (College)
A Bird Calendar for Northern India
Dewar, Douglas
535 Gutenberg downloadsen2006Difficulty 49 (College)
Organic Gardener's Composting
Solomon, Steve
535 Gutenberg downloadsen2003Difficulty 55 (Graduate)
The Horse in America A practical treatise on the various types common in the United States, with something of their history and varying characteristics
Speed, John Gilmer
535 Gutenberg downloadsen2017Difficulty 57 (Graduate)
Audubon and His Journals, Volume 2
Audubon, John James
534 Gutenberg downloadsen2012Difficulty 47 (College)
Identifying Hardwoods Growing on Pine Sites
Brown, Clair A. (Clair Alan) & Grelen, Harold E.
533 Gutenberg downloadsen2021Difficulty 54 (Graduate)
Pratt's Practical Pointers on the Care of Livestock and Poultry
Pratt Food Company
533 Gutenberg downloadsen2005Difficulty 49 (College)
Proserpina, Volume 2 Studies of Wayside Flowers, While the Air was Yet Pure Among the Alps and in the Scotland and England Which My Father Knew
Ruskin, John
533 Gutenberg downloadsen2005Difficulty 56 (Graduate)
The Cambridge natural history, Vol. 02 (of 10)
Beddard, Frank E. (Frank Evers) & Benham, W. B. (William Blaxland) & Gamble, F. W. (Frederick William) & Hartog, Marcus & Sheldon, Lilian
533 Gutenberg downloadsen2023Difficulty 74 (Expert)
The Passenger Pigeon
Unknown
533 Gutenberg downloadsen2014Difficulty 56 (Graduate)
Audubon and His Journals, Volume 1
Audubon, John James
532 Gutenberg downloadsen2012Difficulty 53 (Graduate)
North American Recent Soft-Shelled Turtles (Family Trionychidae)
Webb, Robert G. (Robert Gravem)
532 Gutenberg downloadsen2012Difficulty 71 (Expert)
Red Hunters and the Animal People
Eastman, Charles A.
532 Gutenberg downloadsen2010Difficulty 41 (College)
The Beauties of Nature, and the Wonders of the World We Live In
Lubbock, John, Sir
532 Gutenberg downloadsen2009Difficulty 48 (College)
The Lay of the Land
Sharp, Dallas Lore
532 Gutenberg downloadsen2015Difficulty 39 (High School)
Index of the Project Gutenberg Works of John Burroughs
Burroughs, John
531 Gutenberg downloadsen2019Difficulty 42 (College)
Ten Acres Enough A practical experience, showing how a very small farm may be made to keep a very large family
Morris, Edmund
531 Gutenberg downloadsen2015Difficulty 53 (Graduate)
Text book of veterinary medicine, Volume 3 (of 5)
Law, James
531 Gutenberg downloadsen2023Difficulty 63 (Academic)
The zoology of the voyage of H.M.S. Beagle [vol. 2 of 5] : $b Mammalia
Waterhouse, G. R. (George Robert)
531 Gutenberg downloadsen2022Difficulty 53 (Graduate)
Waterfowl Identification Guide
Central Flyway Council
531 Gutenberg downloadsen2017Difficulty 74 (Expert)
Getting Acquainted with the Trees
McFarland, J. Horace (John Horace)
530 Gutenberg downloadsen2009Difficulty 62 (Academic)
Ornithological biography, Vol. 2 (of 5) : $b An account of the habits of the birds of the United States of America
Audubon, John James
530 Gutenberg downloadsen2018Difficulty 62 (Academic)
Wilderness ways
Long, William J. (William Joseph)
530 Gutenberg downloadsen2005Difficulty 46 (College)
Buffon's Natural History. Volume 07 (of 10) Containing a Theory of the Earth, a General History of Man, of the Brute Creation, and of Vegetables, Minerals, &c. &c
Buffon, Georges Louis Leclerc, comte de
529 Gutenberg downloadsen2014Difficulty 60 (Graduate)
Gardening for women
Wolseley, Frances Garnet, Viscountess
528 Gutenberg downloadsen2023Difficulty 55 (Graduate)
Guide to Yosemite A handbook of the trails and roads of Yosemite valley and the adjacent region
Hall, Ansel F. (Ansel Franklin)
528 Gutenberg downloadsen2012Difficulty 55 (Graduate)
Little Busybodies: The Life of Crickets, Ants, Bees, Beetles, and Other Busybodies
Marks, Jeannette Augustus & Moody, Julia
528 Gutenberg downloadsen2007Difficulty 34 (High School)
Miss Elliot's Girls: Stories of Beasts, Birds, and Butterflies
Walker, Mary Spring
528 Gutenberg downloadsen2005Difficulty 37 (High School)
The Fantastic Clan: The Cactus Family
Thornber, J. J. (John James) & Bonker, Frances
528 Gutenberg downloadsen2014Difficulty 67 (Academic)
The farmstead: The making of the rural home and the lay-out of the farm (5th edition)
Roberts, Isaac Phillips
528 Gutenberg downloadsen2022Difficulty 54 (Graduate)
The Prairie Farmer, Vol. 56, No. 2, January 12, 1884 A Weekly Journal for the Farm, Orchard and Fireside
Various
528 Gutenberg downloadsen2006Difficulty 51 (Graduate)
Adopting an Abandoned Farm
Sanborn, Kate
527 Gutenberg downloadsen2004Difficulty 46 (College)
Among the Forces
Warren, Henry White
527 Gutenberg downloadsen2005Difficulty 39 (High School)
Flowers of the Southwest Deserts
Dodge, Natt N. (Natt Noyes)
527 Gutenberg downloadsen2016Difficulty 61 (Academic)
The Gladiolus: A Practical Treatise on the Culture of the Gladiolus
Crawford, Matthew
527 Gutenberg downloadsen2010Difficulty 49 (College)
Seeds of Michigan Weeds
Beal, W. J. (William James)
526 Gutenberg downloadsen2010Difficulty 48 (College)
Spring notes from Tennessee
Torrey, Bradford
526 Gutenberg downloadsen2014Difficulty 50 (College)
The Botanical Magazine, Vol. 03 Or, Flower-Garden Displayed
Curtis, William
526 Gutenberg downloadsen2006Difficulty 57 (Graduate)
A Synopsis of the Birds of North America
Audubon, John James
525 Gutenberg downloadsen2013Difficulty 50 (College)
Byways Around San Francisco Bay
Hutchinson, William E.
525 Gutenberg downloadsen2004Difficulty 55 (Graduate)
In Wildest Africa, Vol. 1
Schillings, C. G. (Carl Georg)
525 Gutenberg downloadsen2017Difficulty 56 (Graduate)
Trees: A Woodland Notebook Containing Observations on Certain British and Exotic Trees
Maxwell, Herbert, Sir
525 Gutenberg downloadsen2012Difficulty 59 (Graduate)
Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses
Packard, A. S. (Alpheus Spring)
524 Gutenberg downloadsen2008Difficulty 53 (Graduate)
Prose Idylls, New and Old
Kingsley, Charles
524 Gutenberg downloadsen2004Difficulty 54 (Graduate)
Common Diseases of Farm Animals
Craig, Robert Alexander
523 Gutenberg downloadsen2005Difficulty 55 (Graduate)
Stories about the Instinct of Animals, Their Characters, and Habits
Bingley, Thomas
523 Gutenberg downloadsen2005Difficulty 52 (Graduate)
The Naturalist's Repository, Volume 1 (of 5) or Monthly Miscellany of Exotic Natural History: etc. etc.
Donovan, E. (Edward)
523 Gutenberg downloadsen2017Difficulty 76 (Expert)
The Sporting Dictionary and Rural Repository, Volume 2 (of 2) Of General Information upon Every Subject Appertaining to the Sports of the Field
Taplin, William
523 Gutenberg downloadsen2019Difficulty 66 (Academic)
Seven years in South Africa, volume 1 (of 2) : $b travels, researches, and hunting adventures, between the diamond fields and the Zambesi (1872-79)
Holub, Emil
522 Gutenberg downloadsen2024Difficulty 71 (Expert)
Guidebook of Palo Duro Canyon
West Texas State University. Geological Society
521 Gutenberg downloadsen2015Difficulty 60 (Graduate)
Text book of veterinary medicine, Volume 4 (of 5)
Law, James
521 Gutenberg downloadsen2024Difficulty 69 (Academic)
The Arctic Prairies : a Canoe-Journey of 2,000 Miles in Search of the Caribou; Being the Account of a Voyage to the Region North of Aylemer Lake
Seton, Ernest Thompson
521 Gutenberg downloadsen2004Difficulty 50 (College)
The Woodlands orchids, described and illustrated : $b with stories of orchid-collecting,
Boyle, Frederick
521 Gutenberg downloadsen2010Difficulty 50 (College)
Migration of Birds (1979)
Lincoln, Frederick Charles & Peterson, Steven R.
520 Gutenberg downloadsen2021Difficulty 68 (Academic)
Rhymes of the Rockies
Whilt, James W.
520 Gutenberg downloadsen2016Difficulty 40 (High School)
Spiders
Warburton, Cecil
520 Gutenberg downloadsen2013Difficulty 54 (Graduate)
Wilderness, A Journal of Quiet Adventure in Alaska
Kent, Rockwell
520 Gutenberg downloadsen2013Difficulty 46 (College)
A Shepherd's Life: Impressions of the South Wiltshire Downs
Hudson, W. H. (William Henry)
519 Gutenberg downloadsen2005Difficulty 55 (Graduate)
An Australian Bird Book: A Pocket Book for Field Use
Leach, John Albert
519 Gutenberg downloadsen2010Difficulty 51 (Graduate)
Common objects of the microscope
Wood, J. G. (John George)
519 Gutenberg downloadsen2017Difficulty 69 (Academic)
Beautiful Bulbous Plants for the Open Air
Weathers, John
518 Gutenberg downloadsen2011Difficulty 63 (Academic)
Gray Lady and the Birds: Stories of the Bird Year for Home and School
Wright, Mabel Osgood
518 Gutenberg downloadsen2020Difficulty 50 (College)
Personality of plants
Dixon, Royal & Fitch, Franklyn Everett
518 Gutenberg downloadsen2022Difficulty 54 (Graduate)
The Mule: A Treatise on the Breeding, Training, and Uses to Which He May Be Put
Riley, Harvey
518 Gutenberg downloadsen2004Difficulty 45 (College)
The birds of Jamaica
Gosse, Philip Henry
517 Gutenberg downloadsen2024Difficulty 63 (Academic)
Bird Day; How to prepare for it
Babcock, Charles Almanzo
516 Gutenberg downloadsen2007Difficulty 50 (College)
The Mason-Wasps
Fabre, Jean-Henri
516 Gutenberg downloadsen2021Difficulty 50 (College)
The Migration of Birds
Coward, T. A. (Thomas Alfred)
516 Gutenberg downloadsen2013Difficulty 67 (Academic)
Berkshire
Monckton, Horace Woollaston
515 Gutenberg downloadsen2015Difficulty 57 (Graduate)
Life of a Scotch Naturalist: Thomas Edward, Associate of the Linnean Society. Fourth Edition
Smiles, Samuel
515 Gutenberg downloadsen2015Difficulty 56 (Graduate)
The Atlantic Monthly, Volume 06, No. 35, September, 1860 A Magazine Of Literature, Art, And Politics
Various
515 Gutenberg downloadsen2004Difficulty 62 (Academic)
Wild Birds in City Parks Being hints on identifying 145 birds, prepared primarily for the spring migration in Lincoln Park, Chicago
Walter, Herbert Eugene & Walter, Alice Hall
515 Gutenberg downloadsen2010Difficulty 63 (Academic)
The Botanical Magazine, Vol. 05 Or, Flower-Garden Displayed
Curtis, William
514 Gutenberg downloadsen2006Difficulty 57 (Graduate)
Wild Beasts and Their Ways, Reminiscences of Europe, Asia, Africa and America — Volume 1
Baker, Samuel White, Sir
514 Gutenberg downloadsen2003Difficulty 58 (Graduate)
Zoological Illustrations, Volume 1 or, Original Figures and Descriptions of New, Rare, or Interesting Animals
Swainson, William
514 Gutenberg downloadsen2012Difficulty 64 (Academic)
British birds
Hudson, W. H. (William Henry) & Beddard, Frank E. (Frank Evers)
513 Gutenberg downloadsen2024Difficulty 67 (Academic)
Edge of the Jungle
Beebe, William
513 Gutenberg downloadsen2008Difficulty 56 (Graduate)
Mamma's Stories about Birds
Leathley, Mary Elizabeth Southwell Dudley
513 Gutenberg downloadsen2008Difficulty 46 (College)
Manual of the apiary
Cook, Albert John
513 Gutenberg downloadsen2022Difficulty 49 (College)
The Heart of a Dog
Terhune, Albert Payson
513 Gutenberg downloadsen2020Difficulty 46 (College)
The honey-bee: its nature, homes and products
Harris, William Hetherington
513 Gutenberg downloadsen2022Difficulty 56 (Graduate)
The Naturalist in Nicaragua
Belt, Thomas
513 Gutenberg downloadsen2004Difficulty 63 (Academic)
Flower Guide: Wild Flowers East of the Rockies (Revised and with New Illustrations)
Reed, Chester A. (Chester Albert)
512 Gutenberg downloadsen2014Difficulty 53 (Graduate)
In the Wilderness
Warner, Charles Dudley
512 Gutenberg downloadsen2004Difficulty 40 (High School)
Nature Near London
Jefferies, Richard
512 Gutenberg downloadsen2006Difficulty 47 (College)
The Philippine Agricultural Review. Vol. VIII, First Quarter, 1915 No. 1
Various
512 Gutenberg downloadsen2011Difficulty 64 (Academic)
Wasps, Social and Solitary
Peckham, George W. (George Williams) & Peckham, E. G. (Elizabeth Gifford)
512 Gutenberg downloadsen2014Difficulty 60 (Graduate)
The British Woodlice Being a Monograph of the Terrestrial Isopod Crustacea Occurring in the British Islands
Webb, Wilfred Mark & Sillem, Charles
511 Gutenberg downloadsen2013Difficulty 58 (Graduate)
Tracks and Tracking
Brunner, Josef
511 Gutenberg downloadsen2014Difficulty 51 (Graduate)
Birds, Illustrated by Color Photography, Vol. 2, No. 2 August, 1897
Various
510 Gutenberg downloadsen2008Difficulty 47 (College)
Our Humble Helpers: Familiar Talks on the Domestic Animals
Fabre, Jean-Henri
510 Gutenberg downloadsen2022Difficulty 51 (Graduate)
Roof and Meadow
Sharp, Dallas Lore
510 Gutenberg downloadsen2005Difficulty 38 (High School)
The Botanical Magazine, Vol. 02 Or, Flower-Garden Displayed
Curtis, William
510 Gutenberg downloadsen2006Difficulty 57 (Graduate)
The South Country
Thomas, Edward
510 Gutenberg downloadsen2019Difficulty 49 (College)
The Tower Menagerie : $b comprising the natural history of the animals contained in that establishment; with anecdotes of their characters and history.
Bennett, Edward Turner
510 Gutenberg downloadsen2016Difficulty 77 (Expert)
Across Mongolian Plains A Naturalist's Account of China's 'Great Northwest'
Andrews, Roy Chapman
509 Gutenberg downloadsen2009Difficulty 79 (Expert)
Our Bird Comrades
Keyser, Leander S. (Leander Sylvester)
509 Gutenberg downloadsen2008Difficulty 54 (Graduate)
The Subtropical Garden; or, beauty of form in the flower garden.
Robinson, W. (William)
509 Gutenberg downloadsen2015Difficulty 64 (Academic)
The Veterinarian
Korinek, Charles James
509 Gutenberg downloadsen2007Difficulty 56 (Graduate)
A year at the shore
Gosse, Philip Henry
508 Gutenberg downloadsen2015Difficulty 65 (Academic)
Bird Guide: Land Birds East of the Rockies, from Parrots to Bluebirds
Reed, Chester A. (Chester Albert)
508 Gutenberg downloadsen2014Difficulty 50 (College)
How to tell the Birds from the Flowers, and other Wood-cuts A Revised Manual of Flornithology for Beginners
Wood, Robert Williams
508 Gutenberg downloadsen2010Difficulty 48 (College)
The Grand Canyon of Arizona: How to See It
James, George Wharton
507 Gutenberg downloadsen2000Difficulty 48 (College)
Useful Knowledge: Volume 2. Vegetables Or, a familiar account of the various productions of nature
Bingley, William
507 Gutenberg downloadsen2018Difficulty 51 (Graduate)
Fabre, Poet of Science
Legros, Georges Victor
506 Gutenberg downloadsen2002Difficulty 60 (Graduate)
In Brightest Africa
Akeley, Carl Ethan
506 Gutenberg downloadsen2021Difficulty 51 (Graduate)
Cabbages and cauliflowers : $b How to grow them. A practical treatise, giving full details on every point, including keeping and marketing the crop
Gregory, James J. H. (James John Howard)
505 Gutenberg downloadsen2006Difficulty 56 (Graduate)
Arizona Sketches
Munk, J. A. (Joseph Amasa)
504 Gutenberg downloadsen1996Difficulty 52 (Graduate)
Mammals of Mount Rainier National Park
Potts, Merlin K. & Grater, Russell K.
504 Gutenberg downloadsen2016Difficulty 62 (Academic)
The New Eldorado: A Summer Journey to Alaska
Ballou, Maturin M. (Maturin Murray)
504 Gutenberg downloadsen2016Difficulty 53 (Graduate)
Vaughan's Vegetable Cook Book (4th edition) How to Cook and Use Rarer Vegetables and Herbs
Anonymous
504 Gutenberg downloadsen2006Difficulty 44 (College)
Voices for the Speechless Selections for Schools and Private Reading
Unknown
504 Gutenberg downloadsen2004Difficulty 53 (Graduate)
A Gamekeeper's Note-book
Jones, Owen (Gamekeeper) & Woodward, Marcus
503 Gutenberg downloadsen2021Difficulty 59 (Graduate)
Glacières; or, Freezing Caverns
Balch, Edwin Swift
503 Gutenberg downloadsen2016Difficulty 49 (College)
Hampshire Days
Hudson, W. H. (William Henry)
503 Gutenberg downloadsen2019Difficulty 65 (Academic)
Parsons on the Rose A Treatise on the Propagation, Culture and History of the Rose
Parsons, Samuel Browne
503 Gutenberg downloadsen2015Difficulty 54 (Graduate)
Squirrels and Other Fur-Bearers
Burroughs, John
503 Gutenberg downloadsen2008Difficulty 44 (College)
Common trees of Pennsylvania
Ibberson, Joseph E. & Aughenbaugh, J. E. & Mickalitis, A. B. & Morris, C. L.
502 Gutenberg downloadsen2016Difficulty 53 (Graduate)
Mother Nature's Toy-Shop
Beard, Lina & Beard, Adelia B. (Adelia Belle)
502 Gutenberg downloadsen2013Difficulty 39 (High School)
The apiary; or, bees, bee-hives, and bee culture [1878] being a familiar account of the habits of bees, and the most improved methods of management
Neighbor, Alfred
502 Gutenberg downloadsen2022Difficulty 53 (Graduate)
The winners in life's race : $b Or, the great backboned family
Buckley, Arabella B. (Arabella Burton)
502 Gutenberg downloadsen2024Difficulty 63 (Academic)
Within the Deep Cassell's "Eyes and No Eyes" Series, Book VIII.
Smith, R. Cadwallader
502 Gutenberg downloadsen2004Difficulty 34 (High School)
Devonshire
Knight, Francis A. (Francis Arnold) & Dutton, Louie M. Knight
501 Gutenberg downloadsen2014Difficulty 53 (Graduate)
Forest Trees of Illinois: How to Know Them
Fuller, George D. (George Damon) & Mattoon, Wilbur R. (Wilbur Reed) & Miller, Robert B. (Robert Barclay) & Nuuttila, E. E.
501 Gutenberg downloadsen2011Difficulty 50 (College)
Natural History of the Racer Coluber constrictor
Fitch, Henry S. (Henry Sheldon)
501 Gutenberg downloadsen2013Difficulty 69 (Academic)
Of Gardens: An essay
Bacon, Francis
501 Gutenberg downloadsen2014Difficulty 55 (Graduate)
The Complete Writings of Charles Dudley Warner — Volume 1
Warner, Charles Dudley
501 Gutenberg downloadsen2001Difficulty 43 (College)
African Nature Notes and Reminiscences
Selous, Frederick Courteney
500 Gutenberg downloadsen2015Difficulty 71 (Expert)
The Complete Writings of Charles Dudley Warner — Volume 3
Warner, Charles Dudley
500 Gutenberg downloadsen2001Difficulty 40 (High School)
The Life of the Scorpion
Fabre, Jean-Henri
500 Gutenberg downloadsen2021Difficulty 49 (College)
The Life of the Weevil
Fabre, Jean-Henri & Teixeira de Mattos, Alexander
500 Gutenberg downloadsen2021Difficulty 49 (College)
Birds Every Child Should Know
Blanchan, Neltje
499 Gutenberg downloadsen2011Difficulty 48 (College)
Natural History in Anecdote Illustrating the nature, habits, manners and customs of animals, birds, fishes, reptiles, etc., etc., etc.
Unknown
499 Gutenberg downloadsen2011Difficulty 96 (Quantum Electrodynamics)
Saguaro National Monument, Arizona
Shelton, Napier & Dodge, Natt N. (Natt Noyes)
499 Gutenberg downloadsen2016Difficulty 64 (Academic)
The Mary Frances Garden Book; or, Adventures Among the Garden People
Fryer, Jane Eayre
499 Gutenberg downloadsen2016Difficulty 35 (High School)
The Rivers and Streams of England
Bradley, A. G. (Arthur Granville)
499 Gutenberg downloadsen2014Difficulty 55 (Graduate)
A Memoir of Thomas Bewick Written by himself
Bewick, Thomas
498 Gutenberg downloadsen2019Difficulty 70 (Academic)
Birds in Flight
Pycraft, W. P. (William Plane)
498 Gutenberg downloadsen2014Difficulty 54 (Graduate)
Scientific American Supplement, No. 455, September 20, 1884
Various
498 Gutenberg downloadsen2004Difficulty 57 (Graduate)
The Arabian Art of Taming and Training Wild & Vicious Horses
Kincaid, P. R. & Stutzman, John J.
498 Gutenberg downloadsen2005Difficulty 51 (Graduate)
The Life of an Insect being a history of the changes of insects from the egg to the perfect being.
Unknown
498 Gutenberg downloadsen2014Difficulty 62 (Academic)
Birds of Britain
Bonhote, J. Lewis (John Lewis)
497 Gutenberg downloadsen2018Difficulty 45 (College)
Flowers, Shown to the Children
Smith, C. E.
497 Gutenberg downloadsen2012Difficulty 40 (High School)
Hints on Mountain-Lion Trapping
Young, Stanley Paul
497 Gutenberg downloadsen2015Difficulty 53 (Graduate)
Springtime and Other Essays
Darwin, Francis, Sir
497 Gutenberg downloadsen2010Difficulty 55 (Graduate)
The Book of Old-Fashioned Flowers And Other Plants Which Thrive in the Open-Air of England
Roberts, Harry
497 Gutenberg downloadsen2015Difficulty 61 (Academic)
The illustrated horse doctor : $b being an accurate and detailed account of the various diseases to which the equine race are subjected
Mayhew, Edward
497 Gutenberg downloadsen2021Difficulty 57 (Graduate)
The Song of the Cardinal
Stratton-Porter, Gene
497 Gutenberg downloadsen1996Difficulty 46 (College)
Eleanor Ormerod, LL. D., Economic Entomologist : Autobiography and Correspondence
Ormerod, Eleanor A. (Eleanor Anne)
496 Gutenberg downloadsen2020Difficulty 76 (Expert)
Fur Farming A book of Information about Fur Bearing Animals, Enclosures, Habits, Care, etc.
Harding, A. R. (Arthur Robert)
496 Gutenberg downloadsen2010Difficulty 50 (College)
The botanist's repository for new and rare plants; vol. 01 & 02 [of 10]
Andrews, Henry Cranke, active 1799-1828
496 Gutenberg downloadsen2023Difficulty 57 (Graduate)
All About Your Canary
French, George Jackson
494 Gutenberg downloadsen2019Difficulty 45 (College)
Full Revelations of a Professional Rat-catcher After 25 Years' Experience
Matthews, Ike
493 Gutenberg downloadsen2005Difficulty 43 (College)
Island Life; Or, The Phenomena and Causes of Insular Faunas and Floras
Wallace, Alfred Russel
493 Gutenberg downloadsen2010Difficulty 89 (Specialist)
Prairie Farmer, Vol. 56: No. 12, March 22, 1884 A Weekly Journal for the Farm, Orchard and Fireside
Various
493 Gutenberg downloadsen2012Difficulty 51 (Graduate)
The Kindred of the Wild: A Book of Animal Life
Roberts, Charles G. D., Sir
493 Gutenberg downloadsen2014Difficulty 58 (Graduate)
Ornithological biography, Vol. 4 (of 5) : $b An account of the habits of the birds of the United States of America
Audubon, John James
492 Gutenberg downloadsen2023Difficulty 62 (Academic)
Souvenirs entomologiques - Livre I Étude sur l'instinct et les moeurs des insectes
Fabre, Jean-Henri
492 Gutenberg downloadsfr2005
The American Flower Garden Directory Containing Practical Directions for the Culture of Plants, in the Hot-House, Garden-House, Flower Garden and Rooms or Parlours, for Every Month in the Year
Buist, Robert
492 Gutenberg downloadsen2013Difficulty 54 (Graduate)
The Avifauna of Micronesia, Its Origin, Evolution, and Distribution
Baker, Rollin H. (Rollin Harold)
492 Gutenberg downloadsen2013Difficulty 61 (Academic)
Cassell's Natural History, Vol. 3 (of 6)
Unknown
491 Gutenberg downloadsen2020Difficulty 100 (Quantum Electrodynamics)
Nouveaux souvenirs entomologiques - Livre II Étude sur l'instinct et les moeurs des insectes
Fabre, Jean-Henri
491 Gutenberg downloadsfr2006
Our Friend the Dog
Maeterlinck, Maurice
491 Gutenberg downloadsen2006Difficulty 55 (Graduate)
Outdoor Life and Indian Stories Making open air life attractive to young Americans by telling them all about woodcraft, signs and signaling, the stars, fishing, camping, camp cooking, how to tie knots and how to make fire without matches, and many other fascinating open air pursuits. Also, stories of noted hunters and scouts, great indians and warriors, including Daniel Boone, Kit Carson, General Custer, Pontiac, Tecumseh, King Philip, Black Hawk, Brandt, Sitting Bull, and a host of others whose names are famous; all of them true and interesting
Ellis, Edward Sylvester
491 Gutenberg downloadsen2019Difficulty 44 (College)
The Life of the Fields
Jefferies, Richard
491 Gutenberg downloadsen2004Difficulty 45 (College)
Garden Pests in New Zealand A Popular Manual for Practical Gardeners, Farmers and Schools
Miller, David
489 Gutenberg downloadsen2014Difficulty 71 (Expert)
America, Volume 4 (of 6)
Cook, Joel
488 Gutenberg downloadsen2013Difficulty 60 (Graduate)
Dimasalang Kalendariong Tagalog (1920)
López, Honorio
488 Gutenberg downloadstl2005
The Amateur Poacher
Jefferies, Richard
488 Gutenberg downloadsen2004Difficulty 45 (College)
The English Flower Garden with illustrative notes
Bright, Henry Arthur
488 Gutenberg downloadsen2015Difficulty 55 (Graduate)
Yosemite National Park, California
United States. National Park Service
488 Gutenberg downloadsen2016Difficulty 52 (Graduate)
A Manual of Philippine Birds
McGregor, Richard C. (Richard Crittenden)
487 Gutenberg downloadsen2014Difficulty 68 (Academic)
Baraboo, Dells, and Devil's Lake Region
Cole, Harry Ellsworth
487 Gutenberg downloadsen2012Difficulty 50 (College)
Indian Birds: Being a Key to the Common Birds of the Plains of India
Dewar, Douglas
487 Gutenberg downloadsen2014Difficulty 41 (College)
Neotropical Hylid Frogs, Genus Smilisca
Duellman, William Edward & Trueb, Linda
487 Gutenberg downloadsen2011Difficulty 59 (Graduate)
Practical Skunk Raising A Book of Information Concerning the Raising of Skunks for Profit
Pratt, William Edwin
487 Gutenberg downloadsen2014Difficulty 40 (High School)
Sahara
Buchanan, Angus
487 Gutenberg downloadsen2023Difficulty 56 (Graduate)
Sea-Weeds, Shells and Fossils
Gray, Peter & Woodward, B. B. (Bernard Bolingbroke)
487 Gutenberg downloadsen2011Difficulty 58 (Graduate)
Book about Animals
Merrill, Rufus
486 Gutenberg downloadsen2004Difficulty 42 (College)
Scientific American Supplement, No. 470, January 3, 1885
Various
486 Gutenberg downloadsen2004Difficulty 52 (Graduate)
The Auk: A Quarterly Journal of Ornithology, Vol. XXXVI APRIL, 1919 No. 2
Various
486 Gutenberg downloadsen2019Difficulty 56 (Graduate)
Free from School
Alvares, Rahul
485 Gutenberg downloadsen2004Difficulty 43 (College)
Insect Stories
Kellogg, Vernon L. (Vernon Lyman)
485 Gutenberg downloadsen2012Difficulty 47 (College)
The Busy Woman's Garden Book
Bennett, Ida D. (Ida Dandridge)
485 Gutenberg downloadsen2017Difficulty 60 (Graduate)
The desert : $b Further studies in natural appearances
Van Dyke, John C.
485 Gutenberg downloadsen2024Difficulty 60 (Graduate)
Country Rambles, and Manchester Walks and Wild Flowers Being Rural Wanderings in Cheshire, Lancashire, Derbyshire, and Yorkshire
Grindon, Leo H. (Leo Hartley)
484 Gutenberg downloadsen2014Difficulty 55 (Graduate)
Science of Trapping Describes the Fur Bearing Animals, Their Nature, Habits and Distribution, with Practical Methods for Their Capture
Kreps, Elmer Harry
484 Gutenberg downloadsen2010Difficulty 46 (College)
The Bird Watcher in the Shetlands, with Some Notes on Seals—and Digressions
Selous, Edmund
484 Gutenberg downloadsen2016Difficulty 53 (Graduate)
The Natural History of Selborne, Vol. 1
White, Gilbert
484 Gutenberg downloadsen2007Difficulty 54 (Graduate)
Camping and camp cooking
Bates, Frank A.
483 Gutenberg downloadsen2024Difficulty 43 (College)
Small gardens, and how to make the most of them
Biddle, Violet Purton
483 Gutenberg downloadsen2010Difficulty 51 (Graduate)
Tomato Culture: A Practical Treatise on the Tomato
Tracy, W. W. (William Warner)
483 Gutenberg downloadsen2009Difficulty 60 (Graduate)
Everglades Wildguide Handbook 143
George, Jean Craighead
482 Gutenberg downloadsen2017Difficulty 61 (Academic)
A New Orchard And Garden or, The best way for planting, grafting, and to make any ground good, for a rich Orchard: Particularly in the North and generally for the whole kingdome of England
Lawson, William, active 1618 & Harward, Simon, active 1572-1614
481 Gutenberg downloadsen2009Difficulty 45 (College)
Wild Northern Scenes; Or, Sporting Adventures with the Rifle and the Rod
Hammond, S. H. (Samuel H.)
481 Gutenberg downloadsen2003Difficulty 46 (College)
A Florida Sketch-Book
Torrey, Bradford
480 Gutenberg downloadsen2004Difficulty 45 (College)
Nature readers : $b Sea-side and way-side. No. 3
Wright, Julia McNair
480 Gutenberg downloadsen2023Difficulty 24 (Middle School)
Notes on Collecting and Preserving Natural-History Objects
Unknown
480 Gutenberg downloadsen2014Difficulty 51 (Graduate)
The Shetland Pony
Douglas, Charles & Douglas, A. I. (Anne Isabel)
480 Gutenberg downloadsen2019Difficulty 58 (Graduate)
A Year in the Fields
Burroughs, John
479 Gutenberg downloadsen2010Difficulty 47 (College)
Cruisings in the Cascades A Narrative of Travel, Exploration, Amateur Photography, Hunting, and Fishing
Shields, G. O. (George O.)
479 Gutenberg downloadsen2011Difficulty 67 (Academic)
The Book of Roses
Parkman, Francis
479 Gutenberg downloadsen2014Difficulty 52 (Graduate)
The Lady's Country Companion; Or, How to Enjoy a Country Life Rationally
Loudon, Mrs. (Jane)
479 Gutenberg downloadsen2018Difficulty 52 (Graduate)
Arbor Day Leaves A Complete Programme For Arbor Day Observance, Including Readings, Recitations, Music, and General Information
Egleston, Nathaniel Hillyer
478 Gutenberg downloadsen2006Difficulty 53 (Graduate)
Cape Cod : $b its natural and cultural history : a guide to Cape Cod National Seashore, Massachusetts
Finch, Robert & United States. National Park Service. Division of Publications
478 Gutenberg downloadsen2023Difficulty 63 (Academic)
De vogel
Michelet, Jules
478 Gutenberg downloadsnl2013
In Tamal Land
Bingham, Helen
477 Gutenberg downloadsen2017Difficulty 59 (Graduate)
Riverby
Burroughs, John
477 Gutenberg downloadsen2014Difficulty 45 (College)
A Birder's Guide to North Dakota
Zimmer, Kevin J.
476 Gutenberg downloadsen2016Difficulty 58 (Graduate)
Blackwood's Edinburgh Magazine, Volume 60, No. 372, October 1846
Various
476 Gutenberg downloadsen2011Difficulty 60 (Graduate)
Life in the Shifting Dunes A popular field guide to the natural history of Castle Neck, Ipswich, Massachusetts
White, Laurence B.
476 Gutenberg downloadsen2017Difficulty 52 (Graduate)
The Botanical Magazine, Vol. 04 Or, Flower-Garden Displayed
Curtis, William
476 Gutenberg downloadsen2006Difficulty 59 (Graduate)
The Orchid Album, Volume 3 Comprising Coloured Figures and Descriptions of New, Rare, and Beautiful Orchidaceous Plants
Moore, Thomas
476 Gutenberg downloadsen2019Difficulty 57 (Graduate)
Dwarf fruit trees : $b Their propagation, pruning, and general management, adapted to the United States and Canada
Waugh, F. A. (Frank Albert)
475 Gutenberg downloadsen2011Difficulty 55 (Graduate)
Mink Trapping: A Book of Instruction Giving Many Methods of Trapping A Valuable Book for Trappers.
Harding, A. R. (Arthur Robert)
475 Gutenberg downloadsen2010Difficulty 40 (High School)
Mushroom and Toadstools How to Distinguish Easily the Differences Between Edible and Poisonous Fungi
Smith, Worthington George
475 Gutenberg downloadsen2019Difficulty 49 (College)
Prairie Farmer, Vol. 56: No. 5, February 2, 1884. A Weekly Journal for the Farm, Orchard and Fireside
Various
475 Gutenberg downloadsen2021Difficulty 50 (College)
The Falls of Niagara and Other Famous Cataracts
Holley, George W. (George Washington)
475 Gutenberg downloadsen2011Difficulty 62 (Academic)
The romance of the animal world : $b Interesting descriptions of the strange & curious in natural history
Selous, Edmund
475 Gutenberg downloadsen2023Difficulty 63 (Academic)
Wild Life in a Southern County
Jefferies, Richard
475 Gutenberg downloadsen2011Difficulty 53 (Graduate)
Amphibians and Reptiles of the Rainforests of Southern El Petén, Guatemala
Duellman, William Edward
474 Gutenberg downloadsen2011Difficulty 63 (Academic)
Animal Parasites and Messmates
Beneden, P. J. van (Pierre Joseph)
474 Gutenberg downloadsen2015Difficulty 57 (Graduate)
Buffon's Natural History. Volume 05 (of 10) Containing a Theory of the Earth, a General History of Man, of the Brute Creation, and of Vegetables, Minerals, &c. &c
Buffon, Georges Louis Leclerc, comte de
474 Gutenberg downloadsen2014Difficulty 65 (Academic)
De Canibus Britannicis: Of Englishe Dogges
Caius, John
474 Gutenberg downloadsen2008Difficulty 81 (Specialist)
Orchids
O'Brien, James
474 Gutenberg downloadsen2010Difficulty 59 (Graduate)
The book of antelopes, vol. 4 (of 4)
Sclater, Philip Lutley & Thomas, Oldfield
474 Gutenberg downloadsen2023Difficulty 48 (College)
Kingless Folk, and Other Addresses on Bible Animals
Adams, John
473 Gutenberg downloadsen2015Difficulty 42 (College)
The Adventures of a Grain of Dust
Hawksworth, Hallam
473 Gutenberg downloadsen2011Difficulty 46 (College)
Birds, Illustrated by Color Photography, Vol. 2, No. 3 September 1897
Various
472 Gutenberg downloadsen2009Difficulty 47 (College)
Scenic Mount Lowe and Its Wonderful Railway
James, George Wharton
472 Gutenberg downloadsen2013Difficulty 62 (Academic)
Some Common Birds in Their Relation to Agriculture
Beal, F. E. L. (Foster Ellenborough Lascelles)
472 Gutenberg downloadsen2020Difficulty 55 (Graduate)
Buffon's Natural History. Volume 10 (of 10) Containing a Theory of the Earth, a General History of Man, of the Brute Creation, and of Vegetables, Minerals, &c. &c
Buffon, Georges Louis Leclerc, comte de
471 Gutenberg downloadsen2014Difficulty 61 (Academic)
Der Harz
Günther, Friedrich
471 Gutenberg downloadsde2020
Stories of Animal Sagacity
Kingston, William Henry Giles
471 Gutenberg downloadsen2007Difficulty 45 (College)
The apiary; or, bees, bee-hives, and bee culture [1865] Being a familiar account of the habits of bees, and the most improved methods of management, with full directions, adapted for the cottager, farmer, or scientific apiarian
Neighbor, Alfred
471 Gutenberg downloadsen2022Difficulty 63 (Academic)
Life among the butterflies
Randolph, Vance
470 Gutenberg downloadsen2022Difficulty 56 (Graduate)
A Book of Nimble Beasts: Bunny Rabbit, Squirrel, Toad, and "Those Sort of People"
English, Douglas
469 Gutenberg downloadsen2017Difficulty 60 (Graduate)
Natural History Or, Uncle Philip's Conversations with the Children about Tools and Trades among Inferior Animals
Hawks, Francis L. (Francis Lister)
469 Gutenberg downloadsen2013Difficulty 43 (College)
The Honey-Bee: Its Natural History, Physiology and Management
Bevan, Edward
469 Gutenberg downloadsen2022Difficulty 63 (Academic)
Vand- og stenhoejsplanter en vejledning for havevenner
Unknown
469 Gutenberg downloadsda2005
Wolf and Coyote Trapping: An Up-to-Date Wolf Hunter's Guide Giving the Most Successful Methods of Experienced "Wolfers" for Hunting and Trapping These Animals, Also Gives Their Habits in Detail.
Harding, A. R. (Arthur Robert)
469 Gutenberg downloadsen2010Difficulty 49 (College)
Aileen Aroon, A Memoir With other Tales of Faithful Friends and Favourites
Stables, Gordon
468 Gutenberg downloadsen2011Difficulty 40 (High School)
An Introduction to Nature-study
Stenhouse, E. (Ernest)
468 Gutenberg downloadsen2020Difficulty 42 (College)
Journal of a tour in Marocco and the Great Atlas
Hooker, Joseph Dalton & Ball, John
468 Gutenberg downloadsen2023Difficulty 66 (Academic)
Plants and their children
Parsons, Frances Theodora
468 Gutenberg downloadsen2023Difficulty 39 (High School)
Quadrupeds, What They Are and Where Found: A Book of Zoology for Boys
Reid, Mayne
468 Gutenberg downloadsen2007Difficulty 55 (Graduate)
Territory in Bird Life
Howard, Henry Eliot
468 Gutenberg downloadsen2010Difficulty 62 (Academic)
The Land of Little Rain
Austin, Mary
468 Gutenberg downloadsen2016Difficulty 50 (College)
Birds of Guernsey (1879) And the Neighbouring Islands: Alderney, Sark, Jethou, Herm; Being a Small Contribution to the Ornitholony of the Channel Islands
Smith, Cecil
467 Gutenberg downloadsen2004Difficulty 65 (Academic)
How to Know the Ferns
Bastin, S. Leonard
467 Gutenberg downloadsen2014Difficulty 50 (College)
Pussy and Her Language
Clark, Marvin R. & Grimaldi, Alphonse Leon
467 Gutenberg downloadsen2019Difficulty 56 (Graduate)
Scientific American Supplement, No. 385, May 19, 1883
Various
467 Gutenberg downloadsen2005Difficulty 58 (Graduate)
An Account of the Insects Noxious to Agriculture and Plants in New Zealand The Scale Insects (Coccididae)
Maskell, William Miles
466 Gutenberg downloadsen2015Difficulty 53 (Graduate)
Instructions in gardening for ladies
Loudon, Mrs. (Jane)
466 Gutenberg downloadsen2024Difficulty 59 (Graduate)
Tropical nature, and other essays
Wallace, Alfred Russel
466 Gutenberg downloadsen2024Difficulty 72 (Expert)
Sporting Dogs: Their Points and Management in Health and Disease
Barton, Frank Townend
465 Gutenberg downloadsen2014Difficulty 63 (Academic)
The Training of Wild Animals
Bostock, Frank Charles
465 Gutenberg downloadsen2020Difficulty 54 (Graduate)
Uncle Robert's Geography (Uncle Robert's Visit, V.3)
Parker, Francis W. (Francis Wayland) & Helm, Nellie Lathrop
465 Gutenberg downloadsen2004Difficulty 39 (High School)
Birds, Illustrated by Color Photography, Vol. 2, No. 5 November 1897
Various
464 Gutenberg downloadsen2009Difficulty 51 (Graduate)
Kindness to Animals; Or, The Sin of Cruelty Exposed and Rebuked
Charlotte Elizabeth
463 Gutenberg downloadsen2006Difficulty 45 (College)
Scientific American Supplement, No. 443, June 28, 1884
Various
463 Gutenberg downloadsen2005Difficulty 53 (Graduate)
The Rocky Mountain Goat
Grant, Madison
463 Gutenberg downloadsen2015Difficulty 57 (Graduate)
Illustrated Horse Breaking
Hayes, M. Horace (Matthew Horace)
462 Gutenberg downloadsen2018Difficulty 54 (Graduate)
Lachesis Lapponica; Or, A Tour in Lapland, Volume 2
Linné, Carl von
462 Gutenberg downloadsen2011Difficulty 46 (College)
Fifty Birds of Town and City
Hines, Bob & Anastasi, Peter A.
461 Gutenberg downloadsen2015Difficulty 55 (Graduate)
The book of antelopes, vol. 1 (of 4)
Sclater, Philip Lutley & Thomas, Oldfield
461 Gutenberg downloadsen2023Difficulty 49 (College)
The Book of Town & Window Gardening
Bardswell, Frances A.
461 Gutenberg downloadsen2018Difficulty 57 (Graduate)
The First Landing on Wrangel Island With Some Remarks on the Northern Inhabitants
Rosse, Irving C. (Irving Collins)
461 Gutenberg downloadsen2006Difficulty 62 (Academic)
The zoological gardens of Europe, their history and chief features
Peel, C. V. A. (Charles Victor Alexander)
461 Gutenberg downloadsen2023Difficulty 56 (Graduate)
Himalayan Journals — Volume 2 Or, Notes of a Naturalist in Bengal, the Sikkim and Nepal Himalayas, the Khasia Mountains, etc.
Hooker, Joseph Dalton
460 Gutenberg downloadsen2004Difficulty 69 (Academic)
Seed Dispersal
Beal, W. J. (William James)
460 Gutenberg downloadsen2008Difficulty 46 (College)
The netherworld of Mendip : $b explorations in the great caverns of Somerset, Yorkshire, Derbyshire, and elsewhere
Baker, Ernest A. (Ernest Albert) & Balch, H. E. (Herbert Ernest)
460 Gutenberg downloadsen2016Difficulty 55 (Graduate)
A Little Garden Calendar for Boys and Girls
Paine, Albert Bigelow
459 Gutenberg downloadsen2015Difficulty 39 (High School)
The book of antelopes, vol. 3 (of 4)
Sclater, Philip Lutley & Thomas, Oldfield
459 Gutenberg downloadsen2023Difficulty 45 (College)
The Unexploited West A Compilation of all of the authentic information available at the present time as to the Natural Resources of the Unexploited Regions of Northern Canada
Chambers, Ernest J.
459 Gutenberg downloadsen2015Difficulty 58 (Graduate)
Bird Stories from Burroughs Sketches of Bird Life Taken from the Works of John Burroughs
Burroughs, John
458 Gutenberg downloadsen2008Difficulty 44 (College)
Forest Neighbors: Life Stories of Wild Animals
Hulbert, William Davenport
458 Gutenberg downloadsen2009Difficulty 45 (College)
Haney's Art of Training Animals A Practical Guide for Amateur or Professional Trainers. Giving Full Instructions for Breaking, Taming and Teaching All Kinds of Animals Including an Improved Method of Horse Breaking, Management of Farm Animals, Training of Sporting Dogs; Serpent Charming, Care and Tuition of Talking, Singing and Performing Birds; and Detailed Instructions for Teaching All Circus Tricks, and Many Other Wonderful Feats.
Burroughs, W. H.
458 Gutenberg downloadsen2019Difficulty 54 (Graduate)
The Insect
Michelet, Jules
458 Gutenberg downloadsen2013Difficulty 61 (Academic)
Warwick Woodlands: Things as they Were There Twenty Years Ago
Herbert, Henry William
458 Gutenberg downloadsen2006Difficulty 55 (Graduate)
Marvels of Pond-life Or, A Year's Microscopic Recreations Among the Polyps, Infusoria, Rotifers, Water-bears and Polyzoa
Slack, Henry James
457 Gutenberg downloadsen2011Difficulty 74 (Expert)
Minnesota; Its Character and Climate Likewise Sketches of Other Resorts Favorable to Invalids; Together with Copious Notes on Health; Also Hints to Tourists and Emigrants.
Bill, Ledyard
457 Gutenberg downloadsen2004Difficulty 55 (Graduate)
New observations on the natural history of bees
Huber, François
457 Gutenberg downloadsen2008Difficulty 57 (Graduate)
The Adventures of Lightfoot the Deer
Burgess, Thornton W. (Thornton Waldo)
457 Gutenberg downloadsen2006Difficulty 36 (High School)
The fields of France : $b with twenty illustrations in color
Robinson, A. Mary F. (Agnes Mary Frances)
457 Gutenberg downloadsen2023Difficulty 49 (College)
Among the Canadian Alps
Burpee, Lawrence J. (Lawrence Johnstone)
456 Gutenberg downloadsen2011Difficulty 65 (Academic)
Birds in the Bush
Torrey, Bradford
456 Gutenberg downloadsen2009Difficulty 52 (Graduate)
Birds, Illustrated by Color Photography, Vol. 1, No. 3 March 1897
Various
456 Gutenberg downloadsen2009Difficulty 44 (College)
Insects and Diseases of Trees in the South
Anonymous
456 Gutenberg downloadsen2015Difficulty 55 (Graduate)
Florida and the Game Water-Birds of the Atlantic Coast and the Lakes of the United States With a full account of the sporting along our sea-shores and inland waters, and remarks on breech-loaders and hammerless guns
Roosevelt, Robert Barnwell
455 Gutenberg downloadsen2017Difficulty 46 (College)
Horses
Pocock, Roger
455 Gutenberg downloadsen2024Difficulty 48 (College)
The Book of the Aquarium and Water Cabinet or Practical Instructions on the Formation, Stocking, and Mangement, in all Seasons, of Collections of Fresh Water and Marine Life
Hibberd, Shirley
455 Gutenberg downloadsen2012Difficulty 61 (Academic)
The Haunters of the Silences: A Book of Animal Life
Roberts, Charles G. D., Sir
455 Gutenberg downloadsen2010Difficulty 56 (Graduate)
The Hills of Hingham
Sharp, Dallas Lore
455 Gutenberg downloadsen2006Difficulty 43 (College)
A Rambler's lease
Torrey, Bradford
454 Gutenberg downloadsen2011Difficulty 51 (Graduate)
Cassell's book of birds; vol. 2
Brehm, Alfred Edmund
454 Gutenberg downloadsen2018Difficulty 58 (Graduate)
Northern Nut Growers Association Report of the Proceedings at the 41st Annual Meeting Pleasant Valley, New York, August 28, 29 and 30, 1950
Unknown
454 Gutenberg downloadsen2008Difficulty 58 (Graduate)
Salmonia; Or, Days of Fly Fishing In a series of conversations. With some account of the habits of fishes belonging to the genus Salmo
Davy, Humphry, Sir
454 Gutenberg downloadsen2016Difficulty 65 (Academic)
Some Summer Days in Iowa
Lazell, Frederick John
454 Gutenberg downloadsen2006Difficulty 49 (College)
Fishing and Shooting Sketches
Cleveland, Grover
453 Gutenberg downloadsen2011Difficulty 70 (Academic)
Parasiten der Honigbiene und die durch dieselben bedingten Krankheiten dieses Insects.
Assmuss, Eduard Philibert
453 Gutenberg downloadsde2006
The book of antelopes, vol. 2 (of 4)
Sclater, Philip Lutley & Thomas, Oldfield
453 Gutenberg downloadsen2023Difficulty 48 (College)
The Book of Pears and Plums; With Chapters on Cherries and Mulberries
Bartrum, Edward
453 Gutenberg downloadsen2010Difficulty 48 (College)
Wildflowers of the Farm
Cooke, Arthur O. (Arthur Owens)
453 Gutenberg downloadsen2004Difficulty 37 (High School)
Wonders of the Yellowstone
Richardson, James (Geologist)
453 Gutenberg downloadsen2014Difficulty 66 (Academic)
A Synopsis of the North American Lagomorpha
Hall, E. Raymond (Eugene Raymond)
452 Gutenberg downloadsen2010Difficulty 53 (Graduate)
Atlas de poche des mammifères de la France, de la Suisse romane et de la Belgique avec leur description, moeurs et organisation
Martin, René
452 Gutenberg downloadsfr2017
Ecological Studies of the Timber Wolf in Northeastern Minnesota
Mech, L. David & Frenzel, Louis Daniel & Karns, P. D. & Ream, Robert R. & Winship, John W.
452 Gutenberg downloadsen2011Difficulty 52 (Graduate)
Mary's Meadow, and Other Tales of Fields and Flowers
Ewing, Juliana Horatia
452 Gutenberg downloadsen2006Difficulty 39 (High School)
The Bee-keeper's Manual or Practical Hints on the Management and Complete Preservation of the Honey-bee.
Taylor, Henry
452 Gutenberg downloadsen2016Difficulty 68 (Academic)
The Shire Horse in Peace and War
Frost, J. Albert
452 Gutenberg downloadsen2015Difficulty 57 (Graduate)
A Mountain Boyhood
Mills, Joe
451 Gutenberg downloadsen2009Difficulty 45 (College)
Bird-Lore, March-April 1916
Various
451 Gutenberg downloadsen2012Difficulty 50 (College)
Buffon's Natural History. Volume 09 (of 10) Containing a Theory of the Earth, a General History of Man, of the Brute Creation, and of Vegetables, Minerals, &c. &c
Buffon, Georges Louis Leclerc, comte de
451 Gutenberg downloadsen2014Difficulty 54 (Graduate)
Field Book: Pennsylvanian Plant Fossils of Illinois
Collinson, Charles William & Skartvedt, Romayne
451 Gutenberg downloadsen2021Difficulty 64 (Academic)
Moths of the Limberlost: A Book About Limberlost Cabin
Stratton-Porter, Gene
451 Gutenberg downloadsen2004Difficulty 58 (Graduate)
Some English Gardens
Jekyll, Gertrude
451 Gutenberg downloadsen2022Difficulty 57 (Graduate)
The Call of the Wildflower
Salt, Henry S.
451 Gutenberg downloadsen2010Difficulty 58 (Graduate)
Graham's Magazine, Vol. XLI, No. 3, September 1852
Various
450 Gutenberg downloadsen2014Difficulty 66 (Academic)
How the Garden Grew
Maryon, Maud
450 Gutenberg downloadsen2018Difficulty 36 (High School)
Lady Hollyhock and Her Friends: A Book of Nature Dolls and Others
Walker, Margaret Coulson
450 Gutenberg downloadsen2015Difficulty 44 (College)
Select Specimens of Natural History Collected in Travels to Discover the Source of the Nile. Volume 5.
Bruce, James
450 Gutenberg downloadsen2018Difficulty 64 (Academic)
Under the Trees and Elsewhere
Mabie, Hamilton Wright
450 Gutenberg downloadsen2006Difficulty 59 (Graduate)
Wanderings in New South Wales, Batavia, Pedir Coast, Singapore, and China, Vol. 1 (of 2) : $b Being the journal of a naturalist in those countries, during 1832, 1833 and 1834
Bennett, George
450 Gutenberg downloadsen2024Difficulty 75 (Expert)
A Preliminary Revision of the North American Species of Cactus, Anhalonium, and Lophophora
Coulter, John Merle
449 Gutenberg downloadsen1998Difficulty 56 (Graduate)
Birds from North Borneo University of Kansas Publications, Museum of Natural History, Volume 17, No. 8, pp. 377-433, October 27, 1966
Thompson, Max C.
449 Gutenberg downloadsen2010Difficulty 56 (Graduate)
Fresh Fields
Burroughs, John
449 Gutenberg downloadsen2013Difficulty 46 (College)
Midnight
Montgomery, Rutherford G. (Rutherford George)
449 Gutenberg downloadsen2019Difficulty 36 (High School)
Notes and Letters on the Natural History of Norfolk More Especially on the Birds and Fishes
Browne, Thomas, Sir
449 Gutenberg downloadsen2011Difficulty 61 (Academic)
Our Summer Migrants An Account of the Migratory Birds Which Pass the Summer in the British Islands.
Harting, James Edmund
449 Gutenberg downloadsen2019Difficulty 57 (Graduate)
Some Reptiles and Amphibians from Korea
Webb, Robert G. (Robert Gravem) & Byers, George William & Jones, J. Knox
449 Gutenberg downloadsen2011Difficulty 57 (Graduate)
The Grand Cañon of the Colorado
Muir, John
449 Gutenberg downloadsen2004Difficulty 60 (Graduate)
The Mentor: American Naturalists, Vol. 7, Num. 9, Serial No. 181, June 15, 1919
Ingersoll, Ernest
449 Gutenberg downloadsen2014Difficulty 53 (Graduate)
A Guide for the Study of Animals
Whitney, Worrallo & Lucas, Frederic Colby & Shinn, Harold Brough & Smallwood, Mabel Elizabeth
448 Gutenberg downloadsen2011Difficulty 48 (College)
Jack Miner and the Birds, and Some Things I Know about Nature
Miner, Jack
448 Gutenberg downloadsen2020Difficulty 48 (College)
Our search for a wilderness : $b An account of two ornithological expeditions to Venezuela and to British Guiana
Niles, Blair & Beebe, William
448 Gutenberg downloadsen2025Difficulty 44 (College)
The Hunting Wasps
Fabre, Jean-Henri
448 Gutenberg downloadsen2022Difficulty 57 (Graduate)
Bee Keeping
Benton, Frank
447 Gutenberg downloadsen2015Difficulty 63 (Academic)
More Beetles
Fabre, Jean-Henri
447 Gutenberg downloadsen2022Difficulty 47 (College)
The Melody of Earth An Anthology of Garden and Nature Poems From Present-Day Poets
Unknown
447 Gutenberg downloadsen2011Difficulty 58 (Graduate)
Among the Night People
Pierson, Clara Dillingham
446 Gutenberg downloadsen2011Difficulty 38 (High School)
Everyday Adventures
Scoville, Samuel
446 Gutenberg downloadsen2012Difficulty 43 (College)
Fish Stories
Abbott, Henry
446 Gutenberg downloadsen2010Difficulty 48 (College)
Ecological Observations on the Woodrat, Neotoma floridana
Fitch, Henry S. (Henry Sheldon) & Rainey, Dennis G.
445 Gutenberg downloadsen2010Difficulty 59 (Graduate)
How to Make and Set Traps Including Hints on How to Trap Moles, Weasels, Otter, Rats, Squirrels and Birds; Also How to Cure Skins
Keene, J. Harrington (John Harrington)
445 Gutenberg downloadsen2015Difficulty 51 (Graduate)
In the Forest; Or, Pictures of Life and Scenery in the Woods of Canada: A Tale
Traill, Catharine Parr Strickland
445 Gutenberg downloadsen2005Difficulty 41 (College)
Great Smoky Mountains National Park, North Carolina and Tennessee
United States. National Park Service
444 Gutenberg downloadsen2019Difficulty 51 (Graduate)
Literary Pilgrimages of a Naturalist
Packard, Winthrop
444 Gutenberg downloadsen2021Difficulty 52 (Graduate)
Two Years Among New Guinea Cannibals A Naturalist's Sojourn Among the Aborigines of Unexplored New Guinea
Pratt, A. E. (Antwerp Edgar)
444 Gutenberg downloadsen2021Difficulty 88 (Specialist)
Great Smoky Mountains National Park : $b Tennessee--North Carolina, open all year
United States. National Park Service
443 Gutenberg downloadsen2023Difficulty 54 (Graduate)
Mountaineering in the Sierra Nevada
King, Clarence
443 Gutenberg downloadsen2017Difficulty 62 (Academic)
The Raising and Care of Guinea Pigs A complete guide to the breeding, feeding, housing, exhibiting and marketing of cavies
Smith, Allen Christian
443 Gutenberg downloadsen2010Difficulty 40 (High School)
True Stories about Dogs and Cats
Follen, Eliza Lee Cabot
443 Gutenberg downloadsen2003Difficulty 38 (High School)
Himalayan Journals — Volume 1 Or, Notes of a Naturalist in Bengal, the Sikkim and Nepal Himalayas, the Khasia Mountains, etc.
Hooker, Joseph Dalton
442 Gutenberg downloadsen2004Difficulty 74 (Expert)
The flowering plants of South Africa; vol. 4
Pole Evans, I. B. (Illtyd Buller)
442 Gutenberg downloadsen2023Difficulty 49 (College)
The Guardians of the Columbia Mount Hood, Mount Adams and Mount St. Helens
Williams, John H. (John Harvey)
442 Gutenberg downloadsen2013Difficulty 47 (College)
The lone swallows
Williamson, Henry
442 Gutenberg downloadsen2022Difficulty 50 (College)
Dutch Bulbs and Gardens
Silberrad, Una L. & Lyall, Sophie
441 Gutenberg downloadsen2015Difficulty 51 (Graduate)
Let's Collect Rocks and Shells
Shell Union Oil Corporation
441 Gutenberg downloadsen2003Difficulty 47 (College)
Observations of a Naturalist in the Pacific Between 1896 and 1899, Volume 1 Vanua Levu, Fiji
Guppy, H. B. (Henry Brougham)
441 Gutenberg downloadsen2015Difficulty 57 (Graduate)
The Adventures of Bob White
Burgess, Thornton W. (Thornton Waldo)
441 Gutenberg downloadsen2014Difficulty 30 (Middle School)
The Tropical World Aspects of man and nature in the equatorial regions of the globe.
Hartwig, G. (Georg)
441 Gutenberg downloadsen2020Difficulty 95 (Quantum Electrodynamics)
Agricultural zoology
Ritzema Bos, J. (Jan)
440 Gutenberg downloadsen2025Difficulty 52 (Graduate)
Desert and water gardens of the Red Sea : $b Being an account of the natives and the shore formations of the coast
Crossland, Cyril
440 Gutenberg downloadsen2023Difficulty 50 (College)
Northern Trails, Book I.
Long, William J. (William Joseph)
440 Gutenberg downloadsen2003Difficulty 56 (Graduate)
Food Habits of the Thrushes of the United States
Beal, F. E. L. (Foster Ellenborough Lascelles)
439 Gutenberg downloadsen2010Difficulty 54 (Graduate)
Scientific American Supplement, No. 430, March 29, 1884
Various
439 Gutenberg downloadsen2005Difficulty 59 (Graduate)
Tommy Smith's Animals
Selous, Edmund
439 Gutenberg downloadsen2016Difficulty 31 (High School)
Wild Life on the Rockies
Mills, Enos A.
439 Gutenberg downloadsen2009Difficulty 45 (College)
Birds, Illustrated by Color Photography, Vol. 1, No. 6 June, 1897
Various
438 Gutenberg downloadsen2009Difficulty 48 (College)
Northern Nut Growers Association Report of the Proceedings at the Twelfth Annual Meeting Lancaster, Pennsylvania, October 6 and 7, 1921
Unknown
438 Gutenberg downloadsen2006Difficulty 49 (College)
The Children's Book of Gardening
Sidgwick, Alfred, Mrs. & Paynter, Mrs.
438 Gutenberg downloadsen2014Difficulty 41 (College)
The English moths and butterflies : $b Together with the plants, flowers, and fruits whereon they feed, and are usually found.
Wilkes, Benjamin
438 Gutenberg downloadsen2024Difficulty 58 (Graduate)
Wild Flowers of Zion and Bryce Canyon National Parks and Cedar Breaks National Monument
Jepson, Carl E. & Allen, Leland F. (Leland Franklin)
438 Gutenberg downloadsen2017Difficulty 55 (Graduate)
A Synopsis of the British Mosses Containing Descriptions of All the Genera and Species, (With Localities of the Rarer Ones) Found in Great Britain and Ireland, Based Upon Wilson's "Bryologia Britannica," Schimper's "Synopsis," Etc.
Hobkirk, Charles C. P. (Charles Codrington Pressick)
437 Gutenberg downloadsen2021Difficulty 63 (Academic)
An Experimental Translocation of the Eastern Timber Wolf
Weise, Thomas F. & Hook, Richard A. & Mech, L. David & Robinson, William Laughlin
437 Gutenberg downloadsen2011Difficulty 56 (Graduate)
Bee-Keeping
Cumming, John
437 Gutenberg downloadsen2022Difficulty 55 (Graduate)
Favorite Fish and Fishing
Henshall, James A. (James Alexander)
437 Gutenberg downloadsen2013Difficulty 55 (Graduate)
Bird Houses, Baths and Feeding Shelters: How to Make and Where to Place Them
Sawyer, Edmund J. (Edmund Joseph)
436 Gutenberg downloadsen2019Difficulty 57 (Graduate)
Kings in Exile
Roberts, Charles G. D., Sir
436 Gutenberg downloadsen2009Difficulty 48 (College)
La Montaña
Reclus, Elisée
436 Gutenberg downloadses2004
Le Morvan, [A District of France,] Its Wild Sports, Vineyards and Forests; with Legends, Antiquities, Rural and Local Sketches
Crignelle, Henri de
436 Gutenberg downloadsen2009Difficulty 64 (Academic)
Promenades autour d'un village
Sand, George
436 Gutenberg downloadsfr2004
The Lost Dahlia
Mitford, Mary Russell
436 Gutenberg downloadsen2007Difficulty 58 (Graduate)
Trees You Want to Know
Peattie, Donald Culross
436 Gutenberg downloadsen2018Difficulty 47 (College)
Veterinary Medicines, Their Actions, Uses and Dose
Korinek, George Franklyn
436 Gutenberg downloadsen2020Difficulty 73 (Expert)
Yorkshire Dales and Fells
Home, Gordon
436 Gutenberg downloadsen2017Difficulty 58 (Graduate)
Food of the Crow, Corvus brachyrhynchos Brehm, in South-central Kansas
Platt, Dwight R.
435 Gutenberg downloadsen2010Difficulty 53 (Graduate)
Lola : $b or, The thought and speech of animals
Kindermann, Henny
435 Gutenberg downloadsen2008Difficulty 55 (Graduate)
Stray Feathers From a Bird Man's Desk
Rand, Austin Loomer
435 Gutenberg downloadsen2021Difficulty 54 (Graduate)
The Adventures of Paddy Beaver
Burgess, Thornton W. (Thornton Waldo)
435 Gutenberg downloadsen2006Difficulty 33 (High School)
The Common Objects of the Country
Wood, J. G. (John George)
435 Gutenberg downloadsen2017Difficulty 51 (Graduate)
Bees
Phillips, Everett Franklin
434 Gutenberg downloadsen2015Difficulty 52 (Graduate)
Nature readers : $b Seaside and wayside No. 2
Wright, Julia McNair
434 Gutenberg downloadsen2023Difficulty 24 (Middle School)
Venomous arthropod handbook : $b envenomization symptoms/treatment, identification, biology and control
Biery, Terry L.
434 Gutenberg downloadsen2018Difficulty 66 (Academic)
A Manual of Toy Dogs: How to breed, rear, and feed them
Williams, Leslie, Mrs.
433 Gutenberg downloadsen2012Difficulty 60 (Graduate)
Birds and All Nature, Vol. 6, No. 5, December 1899 Illustrated by Color Photography
Various
433 Gutenberg downloadsen2015Difficulty 49 (College)
Comparative Breeding Behavior of Ammospiza caudacuta and A. maritima
Woolfenden, Glen Everett
433 Gutenberg downloadsen2011Difficulty 54 (Graduate)
A Year in a Lancashire Garden Second Edition
Bright, Henry Arthur
432 Gutenberg downloadsen2012Difficulty 48 (College)
Birds and All Nature, Vol 7, No. 2, February 1900 Illustrated by Color Photography
Various
432 Gutenberg downloadsen2015Difficulty 48 (College)
Draft of a Plan for Beginning Animal Sanctuaries in Labrador
Wood, William
432 Gutenberg downloadsen2005Difficulty 55 (Graduate)
Glimpses of Indian Birds
Dewar, Douglas
432 Gutenberg downloadsen2014Difficulty 50 (College)
How to Collect and Preserve Insects
Ross, Herbert H. (Herbert Holdsworth)
432 Gutenberg downloadsen2019Difficulty 54 (Graduate)
Key and Guide to Native Trees, Shrubs, and Woody Vines of Dallas County
Stillwell, Norma
432 Gutenberg downloadsen2019Difficulty 48 (College)
Lions 'n' tigers 'n' everything
Cooper, Courtney Ryley
432 Gutenberg downloadsen2023Difficulty 48 (College)
The Shepherd of Banbury's Rules to Judge of the Changes of the Weather, Grounded on Forty Years' Experience
Claridge, John (Shepherd)
432 Gutenberg downloadsen2008Difficulty 58 (Graduate)
Diversions of a Naturalist
Lankester, E. Ray (Edwin Ray), Sir
431 Gutenberg downloadsen2020Difficulty 51 (Graduate)
Illustrations of Exotic Entomology, Volume 3
Drury, Dru
431 Gutenberg downloadsen2014Difficulty 57 (Graduate)
Those Other Animals
Henty, G. A. (George Alfred)
431 Gutenberg downloadsen2018Difficulty 58 (Graduate)
Zion National Park, Utah (1951)
United States. National Park Service
431 Gutenberg downloadsen2019Difficulty 54 (Graduate)
Grand Teton: A Guide to Grand Teton National Park, Wyoming
United States. National Park Service
430 Gutenberg downloadsen2017Difficulty 51 (Graduate)
Western Bird Guide: Birds of the Rockies and West to the Pacific
Reed, Charles K. (Charles Keller)
430 Gutenberg downloadsen2014Difficulty 47 (College)
Birds of the Plains
Dewar, Douglas
429 Gutenberg downloadsen2014Difficulty 47 (College)
Home Life on an Ostrich Farm
Martin, Annie, Mrs.
429 Gutenberg downloadsen2013Difficulty 68 (Academic)
The English Husbandman (The Second Booke) $b Contayning the Ordering of the Kitchin-Garden, and the Planting of strange flowers: the breeding of all manner of Cattell.
Markham, Gervase
429 Gutenberg downloadsen2023Difficulty 41 (College)
The flowering plants of South Africa; vol. 1
Unknown
429 Gutenberg downloadsen2020Difficulty 54 (Graduate)
The Life Story of an Otter
Tregarthen, J. C. (John Coulson)
429 Gutenberg downloadsen2017Difficulty 51 (Graduate)
The Spring of the Year
Sharp, Dallas Lore
429 Gutenberg downloadsen2013Difficulty 42 (College)
Watched by Wild Animals
Mills, Enos A.
429 Gutenberg downloadsen2013Difficulty 44 (College)
A Year with the Birds Third Edition, Enlarged
Fowler, W. Warde (William Warde)
428 Gutenberg downloadsen2015Difficulty 61 (Academic)
In the open : $b intimate studies and appreciations of nature
Kirkham, Stanton Davis
428 Gutenberg downloadsen2013Difficulty 50 (College)
Seaside Studies in Natural History. Marine Animals of Massachusetts Bay. Radiates.
Agassiz, Elizabeth Cabot Cary & Agassiz, Alexander
428 Gutenberg downloadsen2011Difficulty 52 (Graduate)
Summer
Sharp, Dallas Lore
428 Gutenberg downloadsen2013Difficulty 45 (College)
The Home Acre
Roe, Edward Payson
428 Gutenberg downloadsen2004Difficulty 52 (Graduate)
Wanderings in South America
Waterton, Charles
428 Gutenberg downloadsen2010Difficulty 49 (College)
Beautiful Gardens in America
Shelton, Louise
427 Gutenberg downloadsen2011Difficulty 50 (College)
Good hunting; in pursuit of big game in the West
Roosevelt, Theodore
427 Gutenberg downloadsen2022Difficulty 51 (Graduate)
Many-Storied Mountains: The Life of Glacier National Park
Beaumont, Greg
427 Gutenberg downloadsen2017Difficulty 55 (Graduate)
Orkney and Shetland
Heddle, John George Flett Moodie & Mainland, T.
427 Gutenberg downloadsen2020Difficulty 58 (Graduate)
The Wanderings of an Elephant Hunter
Bell, Walter Dalrymple Maitland
427 Gutenberg downloadsen2022Difficulty 47 (College)
Days and hours in a garden
E. V. B. (Eleanor Vere Boyle)
426 Gutenberg downloadsen2023Difficulty 48 (College)
The Mirror of Literature, Amusement, and Instruction. Volume 19, No. 552, June 16, 1832
Various
426 Gutenberg downloadsen2004Difficulty 60 (Graduate)
Bird Portraits
Unknown
425 Gutenberg downloadsen2016Difficulty 53 (Graduate)
In New England Fields and Woods
Robinson, Rowland Evans
425 Gutenberg downloadsen2011Difficulty 52 (Graduate)
Streifzüge an der Riviera
Strasburger, Eduard
425 Gutenberg downloadsde2009
The Botanical Magazine, Vol. 08 Or, Flower-Garden Displayed
Curtis, William
425 Gutenberg downloadsen2008Difficulty 60 (Graduate)
Egyptian Birds For the most part seen in the Nile Valley
Whymper, Charles
424 Gutenberg downloadsen2014Difficulty 51 (Graduate)
The Arctic regions and the northern whale-fishery
Scoresby, William
424 Gutenberg downloadsen2022Difficulty 69 (Academic)
The Mirror of Literature, Amusement, and Instruction. Volume 19, No. 547, May 19, 1832
Various
424 Gutenberg downloadsen2004Difficulty 60 (Graduate)
War Gardens: A Pocket Guide for Home Vegetable Growers
Free, Montague
424 Gutenberg downloadsen2020Difficulty 55 (Graduate)
Birds and All Nature, Vol. 5, No. 5, May 1899 Illustrated by Color Photography
Various
423 Gutenberg downloadsen2015Difficulty 43 (College)
Guide to the Canyon Area
Yellowstone Library and Museum Association & United States. National Park Service
423 Gutenberg downloadsen2021Difficulty 48 (College)
Nature readers : $b Sea-side and way-side. No. 1
Wright, Julia McNair
423 Gutenberg downloadsen2023Difficulty 22 (Middle School)
Round About a Great Estate
Jefferies, Richard
423 Gutenberg downloadsen2007Difficulty 48 (College)
American Big-Game Hunting: The Book of the Boone and Crockett Club
Boone and Crockett Club
422 Gutenberg downloadsen2012Difficulty 50 (College)
Het Leven der Dieren. Deel 3. Afdeling 2. De Visschen
Brehm, Alfred Edmund
422 Gutenberg downloadsnl2016
How and what to grow in a kitchen garden of one acre
Darlington, E. D. & Moll, L. M.
422 Gutenberg downloadsen2025Difficulty 53 (Graduate)
Illustrations of the Birds of California, Texas, Oregon, British and Russian America
Cassin, John
422 Gutenberg downloadsen2021Difficulty 63 (Academic)
The 'Look About You' Nature Study Books, Book 3 [of 7]
Hoare, Thomas W.
422 Gutenberg downloadsen2015Difficulty 34 (High School)
The Wild Turkey and Its Hunting
McIlhenny, Edward Avery & Jordan, Charles L.
422 Gutenberg downloadsen2014Difficulty 50 (College)
An Introduction to the Birds of Pennsylvania
Sutton, George Miksch
421 Gutenberg downloadsen2021Difficulty 52 (Graduate)
Birds and All Nature, Vol. 4, No. 4, October 1898 Illustrated by Color Photography
Various
421 Gutenberg downloadsen2014Difficulty 50 (College)
British Butterflies: Figures and Descriptions of Every Native Species
Coleman, W. S. (William Stephen)
421 Gutenberg downloadsen2010Difficulty 65 (Academic)
Chambers's Journal of Popular Literature, Science, and Art, Fifth Series, No. 42, Vol. I, October 18, 1884
Various
421 Gutenberg downloadsen2021Difficulty 45 (College)
Flora of the Sudan
Broun, A. F. (Alfred Forbes) & Massey, R. E. (Reginald Ernest)
421 Gutenberg downloadsen2025Difficulty 50 (College)
My Robin
Burnett, Frances Hodgson
421 Gutenberg downloadsen2004Difficulty 37 (High School)
Ocean Gardens. The History of the Marine Aquarium and the best methods now adopted for its establishment and preservation.
Humphreys, Henry Noel
421 Gutenberg downloadsen2016Difficulty 64 (Academic)
Scientific American, Vol. XLIII.—No. 1. [New Series.], July 3, 1880 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
421 Gutenberg downloadsen2012Difficulty 53 (Graduate)
The Training of a Forester
Pinchot, Gifford
421 Gutenberg downloadsen2010Difficulty 60 (Graduate)
Wanderings in New South Wales, Batavia, Pedir Coast, Singapore, and China, Vol. 2 (of 2) : $b Being the journal of a naturalist in those countries, during 1832, 1833 and 1834
Bennett, George
421 Gutenberg downloadsen2024Difficulty 66 (Academic)
English walnuts : $b What you need to know about planting, cultivating and harvesting this most delicious of nuts
Unknown
420 Gutenberg downloadsen2006Difficulty 53 (Graduate)
Mammals of Northwestern South Dakota
Andersen, Kenneth W. & Jones, J. Knox
420 Gutenberg downloadsen2010Difficulty 50 (College)
Mimicry in Butterflies
Punnett, Reginald Crundall
420 Gutenberg downloadsen2013Difficulty 62 (Academic)
Prairie Farmer, Vol. 56: No. 4, January 26, 1884 A Weekly Journal for the Farm, Orchard and Fireside
Various
420 Gutenberg downloadsen2009Difficulty 48 (College)
The Beaked Whales of the Family Ziphiidae An Account of the Beaked Whales of the Family Ziphiidae in the Collection of the United States Museum...
True, Frederick W. (Frederick William)
420 Gutenberg downloadsen2014Difficulty 54 (Graduate)
The Heart of the Wild: Nature Studies from Near and Far
Bensusan, S. L. (Samuel Levy)
420 Gutenberg downloadsen2014Difficulty 46 (College)
The House in the Water: A Book of Animal Stories
Roberts, Charles G. D., Sir
420 Gutenberg downloadsen2009Difficulty 46 (College)
Blue Ridge Parkway, Virginia and North Carolina (1949)
United States. National Park Service
419 Gutenberg downloadsen2019Difficulty 53 (Graduate)
Descripción Geografica, Histórica y Estadística de Bolivia, Tomo 1.
Orbigny, Alcide Dessalines d'
419 Gutenberg downloadses2004
In Wildest Africa, Vol. 2
Schillings, C. G. (Carl Georg)
419 Gutenberg downloadsen2017Difficulty 56 (Graduate)
Report on the Migration of Birds in the Spring and Autumn of 1882. Fourth Report
Harvie-Brown, J. A. (John Alexander) & Barrington, Richard Manliffe & Cordeaux, John & More, Alexander Goodman
419 Gutenberg downloadsen2021Difficulty 43 (College)
The Mirror of Literature, Amusement, and Instruction. Volume 19, No. 535, February 25, 1832
Various
419 Gutenberg downloadsen2004Difficulty 49 (College)
Bird Neighbors An Introductory Acquaintance with One Hundred and Fifty Birds Commonly Found in the Gardens, Meadows, and Woods About Our Homes
Blanchan, Neltje
418 Gutenberg downloadsen1999Difficulty 55 (Graduate)
Everyday birds: Elementary studies
Torrey, Bradford
418 Gutenberg downloadsen2022Difficulty 41 (College)
Garden-Craft Old and New
Sedding, John Dando
418 Gutenberg downloadsen2012Difficulty 56 (Graduate)
Musk-Ox, Bison, Sheep and Goat
Whitney, Caspar & Grinnell, George Bird & Wister, Owen
418 Gutenberg downloadsen2015Difficulty 54 (Graduate)
Sequoia [California] National Park
United States. Department of the Interior
418 Gutenberg downloadsen2011Difficulty 54 (Graduate)
Through a pocket lens
Scherren, Henry
418 Gutenberg downloadsen2022Difficulty 43 (College)
A Watcher in The Woods
Sharp, Dallas Lore
417 Gutenberg downloadsen2012Difficulty 44 (College)
Migration of Birds (1950)
Lincoln, Frederick Charles
417 Gutenberg downloadsen2021Difficulty 70 (Academic)
Nouvel atlas de poche des champignons Comestibles et Vénéneux les plus répandus. Série II (Première édition)
Dumée, Paul
417 Gutenberg downloadsfr2017
The Birds of Australia, Vol. 1 of 7
Gould, John
417 Gutenberg downloadsen2021Difficulty 45 (College)
The Mirror of Literature, Amusement, and Instruction. Volume 13, No. 361, Supplementary Issue (1829)
Various
417 Gutenberg downloadsen2004Difficulty 59 (Graduate)
The Spell of the Rockies
Mills, Enos A.
417 Gutenberg downloadsen2013Difficulty 47 (College)
The Story of a Red Deer
Fortescue, J. W. (John William), Sir
417 Gutenberg downloadsen2010Difficulty 39 (High School)
A Florida Sketch-Book
Torrey, Bradford
416 Gutenberg downloadsen2019Difficulty 45 (College)
A Traveller in Little Things
Hudson, W. H. (William Henry)
416 Gutenberg downloadsen2005Difficulty 50 (College)
Among the Birds in Northern Shires
Dixon, Charles
416 Gutenberg downloadsen2014Difficulty 62 (Academic)
Birds, Illustrated by Color Photography, Vol. 1, No. 2 February, 1897
Various
416 Gutenberg downloadsen2009Difficulty 45 (College)
Crater Lake National Park, Oregon (1958)
United States. National Park Service
416 Gutenberg downloadsen2021Difficulty 52 (Graduate)
Die epiphytische Vegetation Amerikas
Schimper, A. F. W. (Andreas Franz Wilhelm)
416 Gutenberg downloadsde2007
Forest Trees of Illinois (Third Edition)
Mohlenbrock, Robert H.
416 Gutenberg downloadsen2021Difficulty 49 (College)
Hawaii National Park: A Guide for the Haleakala Section, Island of Maui, Hawaii
Ruhle, George Cornelius
416 Gutenberg downloadsen2018Difficulty 51 (Graduate)
How to know the ferns : $b A guide to the names, haunts and habitats of our common ferns
Parsons, Frances Theodora
416 Gutenberg downloadsen2013Difficulty 56 (Graduate)
Zoological Illustrations, Second Series, Volume 2 or, Original Figures and Descriptions of New, Rare, or Interesting Animals
Swainson, William
416 Gutenberg downloadsen2013Difficulty 60 (Graduate)
Beautiful Birds
Selous, Edmund
415 Gutenberg downloadsen2015Difficulty 40 (High School)
Gorillas & Chimpanzees
Garner, R. L. (Richard Lynch)
415 Gutenberg downloadsen2013Difficulty 51 (Graduate)
Ohio Arbor Day 1913: Arbor and Bird Day Manual Issued for the Benefit of the Schools of our State
Unknown
415 Gutenberg downloadsen2007Difficulty 46 (College)
Pond and Stream
Ransome, Arthur
415 Gutenberg downloadsen2012Difficulty 38 (High School)
Illustrations of the Family of Psittacidæ, or Parrots The greater part of them species hitherto unfigured, containing forty-two lithographic plates, drawings from life, and on stone
Lear, Edward
414 Gutenberg downloadsen2014Difficulty 66 (Academic)
Jungle Folk: Indian Natural History Sketches
Dewar, Douglas
414 Gutenberg downloadsen2014Difficulty 50 (College)
Mushrooms : $b how to grow them. A practical treatise on mushroom culture for profit and pleasure
Falconer, William
414 Gutenberg downloadsen2008Difficulty 56 (Graduate)
Neighbourhood: A year's life in and about an English village
Edwardes, Tickner
414 Gutenberg downloadsen2020Difficulty 48 (College)
Old Fashioned Flowers, and other out-of-door studies
Maeterlinck, Maurice
414 Gutenberg downloadsen2017Difficulty 61 (Academic)
The Recent Mammals of Tamaulipas, México
Alvarez, Ticul
414 Gutenberg downloadsen2012Difficulty 57 (Graduate)
The Story of Scotch
Mills, Enos A.
414 Gutenberg downloadsen2013Difficulty 43 (College)
Game Birds and Game Fishes of the Pacific Coast
Payne, Harry Thom
413 Gutenberg downloadsen2011Difficulty 58 (Graduate)
The Face of the Fields
Sharp, Dallas Lore
413 Gutenberg downloadsen2013Difficulty 43 (College)
A Synopsis of the American Bats of the Genus Pipistrellus
Hall, E. Raymond (Eugene Raymond) & Dalquest, Walter Woelber
412 Gutenberg downloadsen2010Difficulty 58 (Graduate)
Days in the Open
Crandall, Lathan A. (Lathan Augustus)
412 Gutenberg downloadsen2014Difficulty 42 (College)
Jelly-Fish, Star-Fish, and Sea-Urchins: Being a Research on Primitive Nervous Systems
Romanes, George John
412 Gutenberg downloadsen2014Difficulty 64 (Academic)
More Tales of the Birds
Fowler, W. Warde (William Warde)
412 Gutenberg downloadsen2015Difficulty 42 (College)
The American Reformed Cattle Doctor Containing the necessary information for preserving the health and curing the diseases of oxen, cows, sheep, and swine, with a great variety of original recipes, and valuable information in reference to farm and dairy management
Dadd, George H.
412 Gutenberg downloadsen2011Difficulty 67 (Academic)
The Horse and His Rider Or, Sketches and Anecdotes of the Noble Quadruped, and of Equestrian Nations
Springfield, Rollo
412 Gutenberg downloadsen2019Difficulty 55 (Graduate)
All about Ferrets and Rats A Complete History of Ferrets, Rats, and Rat Extermination from Personal Experiences and Study. Also a Practical Hand-Book on the Ferret.
Isaacsen, Adolph
411 Gutenberg downloadsen2013Difficulty 48 (College)
Birds and All Nature, Vol. 5, No. 1, January 1899 Illustrated by Color Photography
Various
411 Gutenberg downloadsen2014Difficulty 46 (College)
Birds Illustrated by Color Photography, Vol. 3, No. 1 [January, 1898] A Monthly Serial designed to Promote Knowledge of Bird-Life
Various
411 Gutenberg downloadsen2010Difficulty 46 (College)
British Sea Birds
Dixon, Charles
411 Gutenberg downloadsen2014Difficulty 61 (Academic)
Inmates of My House and Garden
Brightwen, Mrs. (Eliza Elder)
411 Gutenberg downloadsen2015Difficulty 53 (Graduate)
L'oiseau
Michelet, Jules
411 Gutenberg downloadsfr2009
Our sentimental garden
Castle, Agnes & Castle, Egerton
411 Gutenberg downloadsen2016Difficulty 51 (Graduate)
Supplement to the catalogue of seals and whales in the British Museum
Gray, John Edward
411 Gutenberg downloadsen2023Difficulty 45 (College)
The apiary; or, bees, bee-hives, and bee culture [1866] Being a familiar account of the habits of bees, and the most improved methods of management, with full directions, adapted for the cottager, farmer, or scientific apiarian
Neighbor, Alfred
411 Gutenberg downloadsen2022Difficulty 59 (Graduate)
The Ledge on Bald Face
Roberts, Charles G. D., Sir
411 Gutenberg downloadsen2011Difficulty 49 (College)
Birds in London
Hudson, W. H. (William Henry)
410 Gutenberg downloadsen2012Difficulty 81 (Specialist)
Birds' Nests, Eggs and Egg-Collecting
Kearton, Richard
410 Gutenberg downloadsen2014Difficulty 65 (Academic)
Het Leven der Dieren: Deel 1, Hoofdstuk 04: De Roofdieren
Brehm, Alfred Edmund
410 Gutenberg downloadsnl2006
Texas Honey Plants
Sanborn, Charles Emerson & Scholl, Ernest E. (Ernest Emmett)
410 Gutenberg downloadsen2012Difficulty 53 (Graduate)
Wayside and woodland blossoms : $b a pocket guide to British wild-flowers for the country rambler
Step, Edward
410 Gutenberg downloadsen2019Difficulty 52 (Graduate)
Birds and their nests
Howitt, Mary (Mary Botham)
409 Gutenberg downloadsen2022Difficulty 51 (Graduate)
Mammals of the San Gabriel Mountains of California
Vaughan, Terry A.
409 Gutenberg downloadsen2011Difficulty 63 (Academic)
The Clerk of the Woods
Torrey, Bradford
409 Gutenberg downloadsen2021Difficulty 43 (College)
Adventures of an Angler in Canada, Nova Scotia and the United States
Lanman, Charles
408 Gutenberg downloadsen2017Difficulty 53 (Graduate)
Birds and Nature Vol. 10 No. 5 [December 1901]
Various
408 Gutenberg downloadsen2015Difficulty 44 (College)
Letters to a Friend, Written to Mrs. Ezra S. Carr, 1866-1879
Muir, John
408 Gutenberg downloadsen2017Difficulty 42 (College)
Living lights : $b A popular account of phosphorescent animals and vegetables
Holder, Charles Frederick
408 Gutenberg downloadsen2025Difficulty 58 (Graduate)
Mammals of Mount McKinley National Park
Murie, Adolph
408 Gutenberg downloadsen2020Difficulty 51 (Graduate)
The Mirror of Literature, Amusement, and Instruction. Volume 13, No. 358, February 28, 1829
Various
408 Gutenberg downloadsen2004Difficulty 57 (Graduate)
Wild Pastures
Packard, Winthrop
408 Gutenberg downloadsen2021Difficulty 48 (College)
Birds and All Nature, Vol. 7, No. 4, April 1900
Various
407 Gutenberg downloadsen2015Difficulty 45 (College)
More Minor Horrors
Shipley, A. E. (Arthur Everett), Sir
407 Gutenberg downloadsen2021Difficulty 53 (Graduate)
Northern Nut Growers Association, Report of the Proceedings at the Fourth Annual Meeting Washington D.C. November 18 and 19, 1913
Unknown
407 Gutenberg downloadsen2008Difficulty 48 (College)
Reise in die Aequinoctial-Gegenden des neuen Continents. Band 3.
Humboldt, Alexander von
407 Gutenberg downloadsde2009
Tame Animals
Anonymous
407 Gutenberg downloadsen2007Difficulty 40 (High School)
The Children's Life of the Bee
Maeterlinck, Maurice
407 Gutenberg downloadsen2012Difficulty 54 (Graduate)
The Harmsworth Magazine, Vol. 1, 1898-1899, No. 6
Various
407 Gutenberg downloadsen2012Difficulty 40 (High School)
The Mystic Mid-Region: The Deserts of the Southwest
Burdick, Arthur J. (Arthur Jerome)
407 Gutenberg downloadsen2013Difficulty 51 (Graduate)
The Naturalist in Vancouver Island and British Columbia, Volume 1 (of 2)
Lord, John Keast
407 Gutenberg downloadsen2021Difficulty 59 (Graduate)
Wild Life Near Home
Sharp, Dallas Lore
407 Gutenberg downloadsen2013Difficulty 43 (College)
William Hamilton Gibson: artist—naturalist—author
Adams, John Coleman
407 Gutenberg downloadsen2017Difficulty 55 (Graduate)
Birds and Nature Vol. 08, No. 3, October 1900 Illustrated by Color Photography
Various
406 Gutenberg downloadsen2015Difficulty 43 (College)
Florida trails as seen from Jacksonville to Key West and from November to April inclusive
Packard, Winthrop
406 Gutenberg downloadsen2021Difficulty 50 (College)
Out of Doors—California and Oregon
Graves, J. A. (Jackson Alpheus)
406 Gutenberg downloadsen2004Difficulty 42 (College)
The Birds of Australia, Vol. 5 of 7
Gould, John
406 Gutenberg downloadsen2020Difficulty 61 (Academic)
A Guide to the Mount's Bay and the Land's End Comprehending the topography, botany, agriculture, fisheries, antiquities, mining, mineralogy and geology of West Cornwall
Paris, John Ayrton
405 Gutenberg downloadsen2015Difficulty 55 (Graduate)
Amid the High Hills
Fraser, Hugh, Sir
405 Gutenberg downloadsen2020Difficulty 45 (College)
Asparagus, its culture for home use and for market A practical treatise on the planting, cultivation, harvesting, marketing, and preserving of asparagus, with notes on its history
Hexamer, F. M. (Fred Maier)
405 Gutenberg downloadsen2010Difficulty 60 (Graduate)
At the North of Bearcamp Water Chronicles of a Stroller in New England from July to December
Bolles, Frank
405 Gutenberg downloadsen2021Difficulty 48 (College)
Birds of the wave and woodland
Robinson, Phil
405 Gutenberg downloadsen2014Difficulty 52 (Graduate)
Dickey Downy: The Autobiography of a Bird
Patterson, Virginia Sharpe
405 Gutenberg downloadsen2005Difficulty 44 (College)
Keys to Fungi on Dung
Richardson, M. J. (Michael J.) & Watling, Roy
405 Gutenberg downloadsen2018Difficulty 57 (Graduate)
Notes on the natural history of the Bell Rock
Campbell, J. M. (John MacLean)
405 Gutenberg downloadsen2024Difficulty 65 (Academic)
Our national forests : $b a short popular account of the work of the United States Forest service on the national forests
Boerker, Richard H. D. (Richard Hans Douai)
405 Gutenberg downloadsen2013Difficulty 61 (Academic)
Remarks on the Uses of some of the Bazaar Medicines and Common Medical Plants of India With a full index of diseases, indicating their treatment by these and other agents procurable throughout India; to which are added directions for treatment in cases of drowning, snake-bites &c.
Waring, Edward John
405 Gutenberg downloadsen2018Difficulty 59 (Graduate)
The Book of Coniston
Collingwood, W. G. (William Gershom)
405 Gutenberg downloadsen2013Difficulty 51 (Graduate)
The Game-Birds of the Coasts and Lakes of the Northern States of America A full account of the sporting along our sea-shores and inland waters, with a comparison of the merits of breech-loaders and muzzle-loaders
Roosevelt, Robert Barnwell
405 Gutenberg downloadsen2017Difficulty 59 (Graduate)
The universal directory for taking alive and destroying rats : $b and all other kinds of four-footed and winged vermin, in a method hitherto unattempted : calculated for the use of the gentleman, the farmer, and the warrener
Smith, Robert (Rat-catcher)
405 Gutenberg downloadsen2024Difficulty 79 (Expert)
House Rats and Mice
Lantz, David E. (David Ernest)
404 Gutenberg downloadsen2011Difficulty 51 (Graduate)
Pere Marquette State Park
Illinois. Department of Conservation
404 Gutenberg downloadsen2019Difficulty 53 (Graduate)
Phylogeny of the Waxwings and Allied Birds
Arvey, M. Dale (Martin Dale)
404 Gutenberg downloadsen2010Difficulty 66 (Academic)
The Botanical Magazine, Vol. 10 Or, Flower-Garden Displayed
Curtis, William
404 Gutenberg downloadsen2020Difficulty 57 (Graduate)
Rambles with John Burroughs
De Loach, R. J. H. (Robert John Henderson)
403 Gutenberg downloadsen2011Difficulty 49 (College)
The Mirror of Literature, Amusement, and Instruction. Volume 12, No. 335, October 11, 1828
Various
403 Gutenberg downloadsen2004Difficulty 51 (Graduate)
Birds and Nature, Vol. 12 No. 5 [December 1902] Illustrated by Color Photography
Various
402 Gutenberg downloadsen2015Difficulty 49 (College)
Devils Tower National Monument, Wyoming (1984)
United States. National Park Service
402 Gutenberg downloadsen2019Difficulty 54 (Graduate)
Guide to the study of animal ecology
Adams, Charles C. (Charles Christopher)
402 Gutenberg downloadsen2023Difficulty 66 (Academic)
La vie des abeilles
Maeterlinck, Maurice
402 Gutenberg downloadsfr2012
The botanist's repository for new and rare plants; vol. 03 & 04 [of 10]
Andrews, Henry Cranke, active 1799-1828
402 Gutenberg downloadsen2024Difficulty 55 (Graduate)
The Breeding Birds of Kansas
Johnston, Richard F.
402 Gutenberg downloadsen2011Difficulty 74 (Expert)
The Determined Angler and the Brook Trout an anthological volume of trout fishing, trout histories, trout lore, trout resorts, and trout tackle
Bradford, Charles Barker
402 Gutenberg downloadsen2011Difficulty 51 (Graduate)
The Land of Little Rain
Austin, Mary
402 Gutenberg downloadsen2003Difficulty 49 (College)
The Young Collector's Handbook of Ants, Bees, Dragon-flies, Earwigs, Crickets, and Flies (Hymenoptera, Neuroptera, Orthoptera, Hemiptera, Diptera).
Bath, W. Harcourt (William Harcourt)
402 Gutenberg downloadsen2015Difficulty 55 (Graduate)
Birds Illustrated by Color Photography, Vol. 3, No. 5
Various
401 Gutenberg downloadsen2014Difficulty 50 (College)
Bog-trotting for orchids
Niles, Grace Greylock
401 Gutenberg downloadsen2025Difficulty 61 (Academic)
Den Hunting as a Means of Coyote Control
Young, Stanley Paul & Dobyns, Harold Warren
401 Gutenberg downloadsen2015Difficulty 49 (College)
Report on the Migration of Birds in the Spring and Autumn of 1885. Seventh Report (Vol. II No. 2)
Clarke, William Eagle & Harvie-Brown, J. A. (John Alexander) & Barrington, Richard Manliffe & Cordeaux, John & More, Alexander Goodman
401 Gutenberg downloadsen2021Difficulty 49 (College)
The Alps
Conway, William Martin, Sir
401 Gutenberg downloadsen2012Difficulty 43 (College)
A Garden with House Attached
Brooks, Sarah Warner
400 Gutenberg downloadsen2012Difficulty 56 (Graduate)
Ducks and Geese: Standard Breeds and Management
Howard, George E. (George Ellsworth)
400 Gutenberg downloadsen2020Difficulty 50 (College)
Making a Tennis Court
Walsh, George E.
400 Gutenberg downloadsen2013Difficulty 48 (College)
North American Wild Flowers
Traill, Catharine Parr Strickland
400 Gutenberg downloadsen2018Difficulty 52 (Graduate)
Road Guide to Lassen Volcanic National Park
Schulz, Paul E.
400 Gutenberg downloadsen2016Difficulty 46 (College)
Rocky Mountain National Park [Colorado]
United States. Department of the Interior
400 Gutenberg downloadsen2011Difficulty 53 (Graduate)
The Botanical Magazine, Vol. 13 Or, Flower-Garden Displayed
Curtis, William & Sims, John
400 Gutenberg downloadsen2013Difficulty 58 (Graduate)
The garden yard : $b A handbook of intensive farming
Hall, Bolton
400 Gutenberg downloadsen2025Difficulty 74 (Expert)
The Mayflower, January, 1905
Various
400 Gutenberg downloadsen2009Difficulty 46 (College)
Trees, Shown to the Children
Smith, C. E.
400 Gutenberg downloadsen2021Difficulty 39 (High School)
Anecdotes of Big Cats and Other Beasts
Wilson, David Alec
399 Gutenberg downloadsen2017Difficulty 43 (College)
Birds and All Nature, Vol 7, No. 3, March 1900 Illustrated by Color Photography
Various
399 Gutenberg downloadsen2015Difficulty 45 (College)
Birds and Nature, Vol. 12 No. 1 [June 1902] Illustrated by Color Photography
Various
399 Gutenberg downloadsen2015Difficulty 51 (Graduate)
Birds and Nature, Vol. 12 No. 3 [August 1902] Illustrated by Color Photography
Various
399 Gutenberg downloadsen2015Difficulty 49 (College)
Making a Rock Garden
Adams, H. S. (Henry Sherman)
399 Gutenberg downloadsen2008Difficulty 49 (College)
Our Western Hills: How to reach them; And the Views from their Summits By a Glasgow Pedestrian
Anonymous
399 Gutenberg downloadsen2020Difficulty 53 (Graduate)
The 'Look About You' Nature Study Books, Book 4 [of 7]
Hoare, Thomas W.
399 Gutenberg downloadsen2015Difficulty 34 (High School)
The Red Cow and Her Friends
McArthur, Peter
399 Gutenberg downloadsen2015Difficulty 39 (High School)
Wild Kindred
Thompson, Jean M. (Jean May)
399 Gutenberg downloadsen2019Difficulty 47 (College)
"Præterita": souvenirs de jeunesse
Ruskin, John
398 Gutenberg downloadsfr2021
Bees, Shown to the Children
Hawks, Ellison
398 Gutenberg downloadsen2021Difficulty 41 (College)
Earthworms and Their Allies
Beddard, Frank E. (Frank Evers)
398 Gutenberg downloadsen2013Difficulty 59 (Graduate)
Friends and Helpers
Unknown
398 Gutenberg downloadsen2004Difficulty 32 (High School)
Mammoth Hot Springs Area: Yellowstone National Park
Anonymous
398 Gutenberg downloadsen2021Difficulty 55 (Graduate)
The American Agriculturist. Vol. II. No. XI, December 1843 Designed to Improve the Planter, the Farmer, the Stock-breeder, and the Horticulturist
Various
398 Gutenberg downloadsen2019Difficulty 54 (Graduate)
The Handbook to the Rivers and Broads of Norfolk & Suffolk
Davies, G. Christopher (George Christopher)
398 Gutenberg downloadsen2011Difficulty 49 (College)
The Secret Trails
Roberts, Charles G. D., Sir
398 Gutenberg downloadsen2010Difficulty 44 (College)
Trails and Tramps in Alaska and Newfoundland
Thomas, William S.
398 Gutenberg downloadsen2012Difficulty 58 (Graduate)
Illustrations of Exotic Entomology, Volume 2
Drury, Dru
396 Gutenberg downloadsen2014Difficulty 55 (Graduate)
Ohio Biological Survey, Bull. 10, Vol. 11, No. 6 The Ascomycetes of Ohio IV and V
Fink, Bruce & Hilker, Leafy Jane Corrington
396 Gutenberg downloadsen2006Difficulty 58 (Graduate)
The different modes of cultivating the pine-apple From its first introduction into Europe to the late improvements of T.A. Knight, esq.
Loudon, J. C. (John Claudius)
396 Gutenberg downloadsen2014Difficulty 51 (Graduate)
The Padre Island Story
Daly, Loraine & Reumert, Pat
396 Gutenberg downloadsen2018Difficulty 54 (Graduate)
A Garden Diary, September 1899—September 1900
Lawless, Emily
395 Gutenberg downloadsen2016Difficulty 55 (Graduate)
Botanical features of the Algerian Sahara
Cannon, William Austin
395 Gutenberg downloadsen2023Difficulty 52 (Graduate)
Check-list of the Birds of Kansas
Tordoff, Harrison Bruce
395 Gutenberg downloadsen2010Difficulty 57 (Graduate)
History of Birds
Unknown
395 Gutenberg downloadsen2021Difficulty 42 (College)
Die Tier- und Pflanzenwelt des Süsswassers. Erster Band.
Forel, F. A. (François Alphonse) & Gruber, August & Ludwig, Friedrich & Migula, W. (Walter) & Plate, Ludwig & Vosseler, Julius & Weltner, Wilhelm
394 Gutenberg downloadsde2024
Geographic Variation in the Pocket Gopher, Thomomys bottae, in Colorado
Youngman, Phillip M.
394 Gutenberg downloadsen2011Difficulty 57 (Graduate)
Kellogg's Great Crops of Strawberries, and How to Grow Them the Kellogg Way
R. M. Kellogg Co.
394 Gutenberg downloadsen2018Difficulty 62 (Academic)
Webster's practical forestry : $b A popular handbook on the rearing and growth of trees for profit or ornament
Webster, Angus D.
394 Gutenberg downloadsen2025Difficulty 72 (Expert)
Animal portraiture
Lydekker, Richard
393 Gutenberg downloadsen2023Difficulty 58 (Graduate)
Foxhunting on the Lakeland Fells
Clapham, Richard
393 Gutenberg downloadsen2018Difficulty 53 (Graduate)
Harper's Young People, February 3, 1880 An Illustrated Weekly
Various
393 Gutenberg downloadsen2009Difficulty 44 (College)
My dog and I : $b Being a concise treatise of the various breeds of dogs, their origins and uses. Written expressly for the novice, containing a comprehensive mode of treatment both in health and sickness, together with the names of some prominent breeders.
Huntington, Harry Woodworth
393 Gutenberg downloadsen2024Difficulty 51 (Graduate)
Natural History of the Bell Vireo, Vireo bellii Audubon
Barlow, Jon C.
393 Gutenberg downloadsen2010Difficulty 59 (Graduate)
The Mirror of Literature, Amusement, and Instruction. Volume 19, No. 550, June 2, 1832
Various
393 Gutenberg downloadsen2004Difficulty 57 (Graduate)
Upon The Tree-Tops
Miller, Olive Thorne
393 Gutenberg downloadsen2010Difficulty 47 (College)
Woodland Gleanings: Being an Account of British Forest-Trees
Tyas, Robert
393 Gutenberg downloadsen2012Difficulty 52 (Graduate)
Birds and All Nature, Vol. 5, No. 2, February 1899 Illustrated by Color Photography
Various
392 Gutenberg downloadsen2014Difficulty 50 (College)
Butterflies and Moths, Shown to the Children
Wood, Theodore
392 Gutenberg downloadsen2021Difficulty 40 (High School)
Colouration in Animals and Plants
Tylor, Alfred
392 Gutenberg downloadsen2014Difficulty 56 (Graduate)
God's Country: The Trail to Happiness
Curwood, James Oliver
392 Gutenberg downloadsen2016Difficulty 40 (High School)
Introduction to our bird friends, volume 1
Carson, L. B. (Lenwood Ballard)
392 Gutenberg downloadsen2020Difficulty 46 (College)
L'art et maniere de semer
Brossard, David
392 Gutenberg downloadsfr2007
Middle American Frogs of the Hyla microcephala Group
Duellman, William Edward & Fouquette, M. J.
392 Gutenberg downloadsen2010Difficulty 66 (Academic)
The Lore of the Honey-Bee
Edwardes, Tickner
392 Gutenberg downloadsen2021Difficulty 58 (Graduate)
The Pioneer Woodsman as He Is Related to Lumbering in the Northwest
Warren, George Henry
392 Gutenberg downloadsen2013Difficulty 50 (College)
Useful Knowledge: Volume 3. Animals Or, a familiar account of the various productions of nature
Bingley, William
391 Gutenberg downloadsen2018Difficulty 54 (Graduate)
Birds from Coahuila, Mexico
Urban, Emil K.
390 Gutenberg downloadsen2008Difficulty 55 (Graduate)
Birds, Illustrated by Color Photography, Vol. 2, No. 4 October, 1897
Various
390 Gutenberg downloadsen2009Difficulty 48 (College)
Eye Spy: Afield with Nature Among Flowers and Animate Things
Gibson, W. Hamilton (William Hamilton)
390 Gutenberg downloadsen2012Difficulty 45 (College)
My Tropic Isle
Banfield, E. J. (Edmund James)
390 Gutenberg downloadsen2004Difficulty 55 (Graduate)
Our Farm of Four Acres and the Money We Made by It
Coulton, Miss
390 Gutenberg downloadsen2004Difficulty 48 (College)
Some Winter Days in Iowa
Lazell, Frederick John
390 Gutenberg downloadsen2006Difficulty 49 (College)
Summer Flowers of the High Alps
Hastings, Somerville
390 Gutenberg downloadsen2021Difficulty 58 (Graduate)
The Black Bear
Wright, William H. (William Henry)
390 Gutenberg downloadsen2018Difficulty 47 (College)
The Horse's Friend The Only Practical Method of Educating the Horse and Eradicating Vicious Habits; Followed by a Variety of Valuable Recipes, Instructions in Farriery, Horse-shoeing, the Latest Rules of Trotting, and the Record of Fast Horses Up to 1876
Pratt, O. S.
390 Gutenberg downloadsen2020Difficulty 66 (Academic)
A conchological manual
Sowerby, G. B. (George Brettingham)
389 Gutenberg downloadsen2013Difficulty 64 (Academic)
A New Subspecies of Lizard, Cnemidophorus sacki, from Michoacán, México
Duellman, William Edward
389 Gutenberg downloadsen2010Difficulty 58 (Graduate)
Little Rivers: A Book of Essays in Profitable Idleness
Van Dyke, Henry
389 Gutenberg downloadsen2015Difficulty 51 (Graduate)
A Hermit's Wild Friends; or, Eighteen Years in the Woods
Walton, Mason Augustus
388 Gutenberg downloadsen2022Difficulty 41 (College)
A Sack of Shakings
Bullen, Frank Thomas
388 Gutenberg downloadsen2020Difficulty 64 (Academic)
Camping & Tramping with Roosevelt
Burroughs, John
388 Gutenberg downloadsen2010Difficulty 50 (College)
Schutz- und Trutzbündnisse in der Natur
Bölsche, Wilhelm
388 Gutenberg downloadsde2015
The Butterflies and Moths of Teneriffe
Holt White, A. E.
388 Gutenberg downloadsen2021Difficulty 55 (Graduate)
The Mirror of Literature, Amusement, and Instruction. Volume 14, No. 398, November 14, 1829
Various
388 Gutenberg downloadsen2004Difficulty 54 (Graduate)
A Dissertation on Horses Wherein It is Demonstrated, by Matters of Fact, as Well as from the Principles of Philosophy, That Innate Qualities Do Not Exist, and That the Excellence of This Animal is Altogether Mechanical and Not in the Blood
Osmer, William
387 Gutenberg downloadsen2004Difficulty 64 (Academic)
A year among the trees : $b or, the woods and by-ways of New England
Flagg, Wilson
387 Gutenberg downloadsen2024Difficulty 70 (Academic)
Aspects of plant life; with special reference to the British flora
Praeger, R. Lloyd (Robert Lloyd)
387 Gutenberg downloadsen2018Difficulty 59 (Graduate)
Making a garden of perennials
Egan, W. C. (William Constantine)
387 Gutenberg downloadsen2008Difficulty 51 (Graduate)
The Behavior of the Honey Bee in Pollen Collecting
Casteel, Dana Brackenridge
387 Gutenberg downloadsen2012Difficulty 54 (Graduate)
The Giant Fish of Florida
Turner-Turner, J.
387 Gutenberg downloadsen2020Difficulty 50 (College)
Tropical Fish Handbook Tenth Edition, 1953
Schott, Guenther-Lothar
387 Gutenberg downloadsen2020Difficulty 49 (College)
Wilderness Babies
Schwartz, Julia Augusta
387 Gutenberg downloadsen2017Difficulty 35 (High School)
A Review of the Middle American Tree Frogs of the Genus Ptychohyla
Duellman, William Edward
386 Gutenberg downloadsen2011Difficulty 58 (Graduate)
Auf Großtierfang für Hagenbeck : $b Selbsterlebtes aus afrikanischer Wildnis
Schulz, Chr. (Christoph)
386 Gutenberg downloadsde2025
Horses Past and Present
Gilbey, Walter, Sir
386 Gutenberg downloadsen2013Difficulty 55 (Graduate)
Profitable squab breeding
Dare, Carl
386 Gutenberg downloadsen2011Difficulty 50 (College)
Report on the Migration of Birds in the Spring and Autumn of 1884. Sixth Report (Vol. II No. 1)
Harvie-Brown, J. A. (John Alexander) & Barrington, Richard Manliffe & Clarke, William Eagle & Cordeaux, John & More, Alexander Goodman
386 Gutenberg downloadsen2021Difficulty 35 (High School)
Birds Illustrated by Color Photography, Vol. 3, No. 2 [February, 1898] A Monthly Serial designed to Promote Knowledge of Bird-Life
Various
385 Gutenberg downloadsen2010Difficulty 49 (College)
Flowers of mountain and plain
Clements, Edith S. (Edith Schwartz)
385 Gutenberg downloadsen2014Difficulty 50 (College)
The Isles of Scilly : $b Their story, their folk & their flowers
Mothersole, Jessie
385 Gutenberg downloadsen2012Difficulty 51 (Graduate)
The Migration of North American Birds (1935)
Lincoln, Frederick Charles
385 Gutenberg downloadsen2021Difficulty 71 (Expert)
The New Forest
Godfrey, Elizabeth
385 Gutenberg downloadsen2014Difficulty 56 (Graduate)
A guide to the shell and starfish galleries : $b (Mollusca, Polyzoa, Brachiopoda, Tunicata, Echinoderma, and Worms)
British Museum (Natural History). Department of Zoology & Bell, F. J. (Francis Jeffrey) & Kirkpatrick, R. (Randolph) & Smith, E. A. (Edgar Albert)
384 Gutenberg downloadsen2024Difficulty 59 (Graduate)
An elementary manual of New Zealand entomology : $b being an introduction to the study of our native insects
Hudson, G. V. (George Vernon)
384 Gutenberg downloadsen2013Difficulty 54 (Graduate)
Birds and Nature, Vol. 12 No. 2 [July 1902] Illustrated by Color Photography
Various
384 Gutenberg downloadsen2015Difficulty 46 (College)
Making a Rose Garden
Saylor, Henry H. (Henry Hodgman)
384 Gutenberg downloadsen2011Difficulty 55 (Graduate)
My pets : $b Real happenings in my aviary
Saunders, Marshall
384 Gutenberg downloadsen2024Difficulty 42 (College)
The Bird Hospital
Bascom, Caroline Crowninshield
384 Gutenberg downloadsen2015Difficulty 35 (High School)
The book of the otter : $b A manual for sportsmen and naturalists
Clapham, Richard
384 Gutenberg downloadsen2016Difficulty 48 (College)
A Monograph of Odontoglossum
Bateman, Jas. (James)
383 Gutenberg downloadsen2014Difficulty 61 (Academic)
A-B-C of Vegetable Gardening
Rexford, Eben E. (Eben Eugene)
383 Gutenberg downloadsen2014Difficulty 48 (College)
Amphibians and Reptiles in Captivity
Johnson, Tom R. & Bader, Robert N. & Coxwell, Donald J.
383 Gutenberg downloadsen2019Difficulty 49 (College)
Barbers' Manual (Part 1); Text Book on Taxidermy (Part 2)
McConnaughay, T. J.
383 Gutenberg downloadsen2016Difficulty 44 (College)
Bee Hunting: A Book of Valuable Information for Bee Hunters Tells How to Line Bees to Trees, Etc.
Lockard, John Ready
383 Gutenberg downloadsen2010Difficulty 39 (High School)
Fur Farming for Profit, with Especial Reference to Skunk Raising
Laymon, Hermon Basil
383 Gutenberg downloadsen2013Difficulty 50 (College)
In Bird Land
Keyser, Leander S. (Leander Sylvester)
383 Gutenberg downloadsen2019Difficulty 49 (College)
Moorland Idylls
Allen, Grant
383 Gutenberg downloadsen2015Difficulty 49 (College)
Mother Bunny and her flowers
Smith, Laura Rountree
383 Gutenberg downloadsen2022Difficulty 37 (High School)
The Fall of the Year
Sharp, Dallas Lore
383 Gutenberg downloadsen2013Difficulty 41 (College)
The Sea-Shore, Shown to the Children
Wood, Theodore
383 Gutenberg downloadsen2021Difficulty 34 (High School)
Apes and Monkeys: Their Life and Language
Garner, R. L. (Richard Lynch)
382 Gutenberg downloadsen2022Difficulty 55 (Graduate)
Het paddenstoelenboekje
Cool, Cath. (Catharina) & Lek, H. A. A. van der (Hendrik Adrianus Abraham)
382 Gutenberg downloadsnl2015
Mümmelmann: Ein Tierbuch
Löns, Hermann
382 Gutenberg downloadsde2016
Occurrence of the Garter Snake, Thamnophis sirtalis, in the Great Plains and Rocky Mountains
Fitch, Henry S. (Henry Sheldon) & Maslin, T. Paul
382 Gutenberg downloadsen2010Difficulty 66 (Academic)
Some Spring Days in Iowa
Lazell, Frederick John
382 Gutenberg downloadsen2006Difficulty 50 (College)
Textile Fibers used in Eastern Aboriginal North America
Whitford, A. C.
382 Gutenberg downloadsen2016Difficulty 60 (Graduate)
The Forest Habitat of the University of Kansas Natural History Reservation
Fitch, Henry S. (Henry Sheldon) & McGregor, Ronald L.
382 Gutenberg downloadsen2010Difficulty 59 (Graduate)
The Happy Hunting-Grounds
Roosevelt, Kermit
382 Gutenberg downloadsen2020Difficulty 50 (College)
Children of the Wild
Roberts, Charles G. D., Sir
381 Gutenberg downloadsen2005Difficulty 40 (High School)
Garden Design and Architects' Gardens Two reviews, illustrated, to show, by actual examples from British gardens, that clipping and aligning trees to make them 'harmonise' with architecture is barbarous, needless, and inartistic
Robinson, W. (William)
381 Gutenberg downloadsen2011Difficulty 53 (Graduate)
Garden Ornaments
Northend, Mary Harrod
381 Gutenberg downloadsen2011Difficulty 52 (Graduate)
Manual of Taxidermy A Complete Guide in Collecting and Preserving Birds and Mammals
Maynard, C. J. (Charles Johnson)
381 Gutenberg downloadsen2014Difficulty 54 (Graduate)
Mushrooms of America, Edible and Poisonous
Unknown
381 Gutenberg downloadsen2009Difficulty 49 (College)
Striped Coat, the Skunk
Lippincott, Joseph Wharton
381 Gutenberg downloadsen2018Difficulty 45 (College)
Studies in the Art of Rat-catching
Barkley, Henry C.
381 Gutenberg downloadsen2012Difficulty 46 (College)
Systematics of Megachiropteran Bats in the Solomon Islands
Phillips, Carleton J.
381 Gutenberg downloadsen2012Difficulty 58 (Graduate)
The Accomplished Muskrat Trapper: A Book on Trapping for Amateurs
Schmidt, Arno Erdman
381 Gutenberg downloadsen2010Difficulty 50 (College)
The book of garden design
Thonger, Charles
381 Gutenberg downloadsen2024Difficulty 62 (Academic)
The botanist's repository for new and rare plants; vol. 09 [of 10]
Andrews, Henry Cranke, active 1799-1828
381 Gutenberg downloadsen2024Difficulty 55 (Graduate)
The flowering plants of South Africa; vol. 3
Pole Evans, I. B. (Illtyd Buller)
381 Gutenberg downloadsen2021Difficulty 52 (Graduate)
The History of the European Fauna
Scharff, R. F. (Robert Francis)
381 Gutenberg downloadsen2010Difficulty 61 (Academic)
True Bear Stories
Miller, Joaquin
381 Gutenberg downloadsen2012Difficulty 42 (College)
"The One" Dog and "The Others": A Study of Canine Character
Slaughter, Frances E. (Frances Elizabeth)
380 Gutenberg downloadsen2018Difficulty 54 (Graduate)
Cottontail Rabbits in Relation to Trees and Farm Crops
Lantz, David E. (David Ernest)
380 Gutenberg downloadsen2010Difficulty 54 (Graduate)
Geographic Range of the Hooded Skunk, Mephitis macroura With Description of a New Subspecies from Mexico
Hall, E. Raymond (Eugene Raymond) & Dalquest, Walter Woelber
380 Gutenberg downloadsen2010Difficulty 57 (Graduate)
Les chats: Histoire; Moeurs; Observations; Anecdotes.
Champfleury
380 Gutenberg downloadsfr2014
The Subspecies of the Mountain Chickadee
Grinnell, Joseph
380 Gutenberg downloadsen2010Difficulty 50 (College)
Woodcraft
Sears, George Washington
380 Gutenberg downloadsen2008Difficulty 45 (College)
Beautiful shells : $b Their nature, structure, and uses familiarly explained; with directions for collecting, cleaning, and arranging them in the cabinet; descriptions of the most remarkable species, and of the creatures which inhabit them; and explanations of the meanings of their scientific names, and of the terms used in conchology
Adams, H. G. (Henry Gardiner)
379 Gutenberg downloadsen2024Difficulty 66 (Academic)
Colorado Wild Flowers
Roberts, Harold DeWitt & Roberts, Rhoda N.
379 Gutenberg downloadsen2020Difficulty 54 (Graduate)
Lady Mary and Her Nurse; Or, A Peep into the Canadian Forest
Traill, Catharine Parr Strickland
379 Gutenberg downloadsen2004Difficulty 39 (High School)
The Almond in California
Taylor, R. H. (Ralph Hawley)
379 Gutenberg downloadsen2021Difficulty 58 (Graduate)
The National Geographic Magazine, Vol. I., No. 4, October, 1889
Various
379 Gutenberg downloadsen2015Difficulty 60 (Graduate)
Birds and Nature, Vol. 10 No. 3 [October 1901]
Various
378 Gutenberg downloadsen2015Difficulty 51 (Graduate)
Jungle night
Beebe, William
378 Gutenberg downloadsen2022Difficulty 49 (College)
The Birds of Australia, Vol. 2 of 7
Gould, John
378 Gutenberg downloadsen2019Difficulty 66 (Academic)
The Book of the Fly A nature study of the house-fly and its kin, the fly plague and a cure
George Hurlstone Hardy
378 Gutenberg downloadsen2017Difficulty 65 (Academic)
The Dune Country
Reed, Earl H. (Earl Howell)
378 Gutenberg downloadsen2018Difficulty 51 (Graduate)
A world of green hills : $b Observations of nature and human nature in the Blue Ridge
Torrey, Bradford
377 Gutenberg downloadsen2023Difficulty 46 (College)
Birds and Nature, Vol 10 No. 2 [September 1901]
Various
377 Gutenberg downloadsen2015Difficulty 45 (College)
Manuel pratique de Jardinage contenant la manière de cultiver soi-même un jardin ou d'en diriger la culture
Courtois-Gérard
377 Gutenberg downloadsfr2012
Nature's carol singers
Kearton, Richard
377 Gutenberg downloadsen2023Difficulty 56 (Graduate)
The Flower-Fields of Alpine Switzerland: An Appreciation and a Plea
Flemwell, G. (George)
377 Gutenberg downloadsen2018Difficulty 55 (Graduate)
The world of the great forest : $b how animals, birds, reptiles, insects talk, think, work, and live
Du Chaillu, Paul B. (Paul Belloni)
377 Gutenberg downloadsen2025Difficulty 40 (High School)
Birds and All Nature, Vol. 4, No. 5, November 1898 Illustrated by Color Photography
Various
376 Gutenberg downloadsen2014Difficulty 46 (College)
Floral Illustrations of the Seasons Consisting of the Most Beautiful, Hardy and Rare Herbaceous Plants, Cultivated in the Flower Garden
Roscoe, Margaret
376 Gutenberg downloadsen2021Difficulty 59 (Graduate)
In African Forest and Jungle
Du Chaillu, Paul B. (Paul Belloni)
376 Gutenberg downloadsen2015Difficulty 47 (College)
The Mentor: Butterflies, Vol. 3, Num. 12, Serial No. 88, August 2, 1915
Holland, W. J. (William Jacob)
376 Gutenberg downloadsen2015Difficulty 55 (Graduate)
Birds and All Nature, Vol. 5, No. 4, April 1899 Illustrated by Color Photography
Various
375 Gutenberg downloadsen2015Difficulty 44 (College)
Birds and Nature Vol. 11 No. 1 [January 1902] Illustrated by Color Photography
Various
375 Gutenberg downloadsen2014Difficulty 37 (High School)
Craters of the Moon A Guide to Craters of the Moon National Monument, Idaho
United States. National Park Service. Division of Publications
375 Gutenberg downloadsen2020Difficulty 59 (Graduate)
History of my pets
Greenwood, Grace
375 Gutenberg downloadsen2023Difficulty 39 (High School)
The Cat: Its Natural History; Domestic Varieties; Management and Treatment
Rule, Philip M.
375 Gutenberg downloadsen2013Difficulty 54 (Graduate)
Das Weserbergland und der Teutoburger Wald
Reissert, Oswald
374 Gutenberg downloadsde2021
Notes on Philippine Birds Collected by Governor W. Cameron Forbes Bulletin of the Museum of Comparative Zoölogy at Harvard College, Vol. LXV. No. 4.
Bangs, Outram
374 Gutenberg downloadsen2011Difficulty 49 (College)
Supplement to Animal Sanctuaries in Labrador Supplement to an Address Presented by Lt.-Colonel William Wood, F.R.S.C. Before the Second Annual Meeting of the Commission of Conservation in January, 1911
Wood, William
374 Gutenberg downloadsen2005Difficulty 59 (Graduate)
White Mountain Trails Tales of the Trails to the Summit of Mount Washington and other Summits of the White Hills
Packard, Winthrop
374 Gutenberg downloadsen2022Difficulty 57 (Graduate)
A Field Study of the Kansas Ant-Eating Frog, Gastrophryne olivacea
Fitch, Henry S. (Henry Sheldon)
373 Gutenberg downloadsen2010Difficulty 56 (Graduate)
A Quantitative Study of the Nocturnal Migration of Birds
Lowery, George H., Jr.
373 Gutenberg downloadsen2011Difficulty 55 (Graduate)
Beautiful Ferns
Eaton, Daniel Cady
373 Gutenberg downloadsen2014Difficulty 58 (Graduate)
Canaries : $b their care and management
Wetmore, Alexander
373 Gutenberg downloadsen2023Difficulty 52 (Graduate)
Outings at Odd Times
Abbott, Charles C. (Charles Conrad)
373 Gutenberg downloadsen2015Difficulty 48 (College)
Report on the Migration of Birds in the Spring and Autumn of 1887. Ninth Report (Vol. II, No. 4.)
Harvie-Brown, J. A. (John Alexander) & Barrington, Richard Manliffe & Clarke, William Eagle & Cordeaux, John & More, Alexander Goodman
373 Gutenberg downloadsen2021Difficulty 41 (College)
The Mammals of Warren Woods, Berrien County, Michigan Occasional Paper of the Museum of Zoology, Number 86
Dice, Lee R. (Lee Raymond)
373 Gutenberg downloadsen2010Difficulty 49 (College)
The Story of Captain, the Horse with the Human Brain
James, George Wharton
373 Gutenberg downloadsen2015Difficulty 53 (Graduate)
Travels into North America, Volume 3 (of 3)
Kalm, Pehr
373 Gutenberg downloadsen2024Difficulty 50 (College)
Bird Life Glimpses
Selous, Edmund
372 Gutenberg downloadsen2016Difficulty 55 (Graduate)
Birds and All Nature, Vol. 4, No. 3, September 1898 Illustrated by Color Photography
Various
372 Gutenberg downloadsen2014Difficulty 51 (Graduate)
Eyes and No Eyes, and Other Stories
Aikin, John & Barbauld, Mrs. (Anna Letitia) & Marcet, Mrs. (Jane Haldimand) & Taylor, Jane
372 Gutenberg downloadsen2020Difficulty 37 (High School)
Field Mice as Farm and Orchard Pests
Lantz, David E. (David Ernest)
372 Gutenberg downloadsen2013Difficulty 54 (Graduate)
Improved Queen-Rearing; or, How to Rear Large, Prolific, Long-Lived Queen Bees The Result of Nearly Half a Century's Experience in Rearing Queen Bees, Giving the Practical, Every-day Work of the Queen-Rearing Apiary
Alley, Henry
372 Gutenberg downloadsen2019Difficulty 48 (College)
Infant's Cabinet of Birds & Beasts
Anonymous
372 Gutenberg downloadsen2007Difficulty 57 (Graduate)
Nature's invitation: Notes of a bird-gazer, North and South
Torrey, Bradford
372 Gutenberg downloadsen2023Difficulty 45 (College)
Studies of Birds Killed in Nocturnal Migration
Tordoff, Harrison Bruce & Mengel, Robert Morrow
372 Gutenberg downloadsen2016Difficulty 54 (Graduate)
The Jonathan Papers
Morris, Elisabeth Woodbridge
372 Gutenberg downloadsen2010Difficulty 43 (College)
The Ohio naturalist, Vol. 1, No. 4, February 1901
Ohio State University. Biological Club
372 Gutenberg downloadsen2022Difficulty 49 (College)
Touring Afoot
Fordyce, Claude P. (Claude Powell)
372 Gutenberg downloadsen2015Difficulty 56 (Graduate)
Wild Animals of the Rockies With a List of Mammals found in Rocky Mountain National Park
Gilligan, James P. (James Pershing)
372 Gutenberg downloadsen2019Difficulty 65 (Academic)
A little brother to the bear, and other animal studies
Long, William J. (William Joseph)
371 Gutenberg downloadsen2011Difficulty 54 (Graduate)
Deutsche Landschaften
Dürer, Albrecht
371 Gutenberg downloadsde2016
Raising P. V. Squabs for Profit
Trecartin, John S.
371 Gutenberg downloadsen2010Difficulty 42 (College)
The American Bee Journal. Volume XVII No. 11, March 1881
Various
371 Gutenberg downloadsen2019Difficulty 48 (College)
The Birds of Australia, Vol. 3 of 7
Gould, John
371 Gutenberg downloadsen2019Difficulty 61 (Academic)
Whale Primer, with Special Attention to the California Gray Whale
Walker, Theodore J.
371 Gutenberg downloadsen2019Difficulty 55 (Graduate)
Birds, Illustrated by Color Photography, Vol. 2, No. 6 December, 1897
Various
370 Gutenberg downloadsen2010Difficulty 48 (College)
Complete Treatise on the mare and foal at the time of delivery, with illustrations. Also on cows and calves, with stallion and mare, when diseased by Gonorrhea (clap) or Pox, also Diarrhea and Costiveness in Colts.
Mitchell, Conrad
370 Gutenberg downloadsen2016Difficulty 49 (College)
Featherland: How the Birds lived at Greenlawn
Fenn, George Manville
370 Gutenberg downloadsen2007Difficulty 48 (College)
Wood Wanderings
Packard, Winthrop
370 Gutenberg downloadsen2021Difficulty 50 (College)
Birds and Nature, Vol. 08, No. 2, September 1900 Illustrated by Color Photography
Various
369 Gutenberg downloadsen2015Difficulty 51 (Graduate)
Catalogue of British Columbia Birds
Kermode, Francis
369 Gutenberg downloadsen2004Difficulty 52 (Graduate)
Fossil Forests of the Yellowstone National Park
Knowlton, Frank Hall
369 Gutenberg downloadsen2020Difficulty 57 (Graduate)
Humanity to Honey-Bees or, Practical Directions for the Management of Honey-Bees Upon an Improved and Humane Plan, by Which the Lives of Bees May Be Preserved, and Abundance of Honey of a Superior Quality May Be Obtained
Nutt, Thomas
369 Gutenberg downloadsen2018Difficulty 65 (Academic)
The American Apiculturist. Vol. III. No. 6, June 15, 1885 A Journal Devoted to Scientific and Practical Beekeeping
Various
369 Gutenberg downloadsen2018Difficulty 54 (Graduate)
The Ohio naturalist, Vol. 1, No. 3, January, 1901
Ohio State University. Biological Club
369 Gutenberg downloadsen2023Difficulty 53 (Graduate)
Beautiful Shells of New Zealand An Illustrated Work for Amateur Collectors of New Zealand Marine Shells, with Directions for Collecting and Cleaning them
Moss, Edward George Britton
368 Gutenberg downloadsen2010Difficulty 59 (Graduate)
Dogs as home companions : $b A book for all dog lovers
Hochwalt, A. F. (Albert Frederick)
368 Gutenberg downloadsen2023Difficulty 54 (Graduate)
Little Wanderers
Morley, Margaret Warner
368 Gutenberg downloadsen2020Difficulty 41 (College)
Tales of the birds
Fowler, W. Warde (William Warde)
368 Gutenberg downloadsen2015Difficulty 39 (High School)
Water Wonders Every Child Should Know Little Studies of Dew, Frost, Snow, Ice, and Rain
Thompson, Jean M. (Jean May)
368 Gutenberg downloadsen2018Difficulty 48 (College)
Chats on Angling
Hart-Davis, H. V.
367 Gutenberg downloadsen2013Difficulty 47 (College)
Cruise of the Revenue-Steamer Corwin in Alaska and the N.W. Arctic Ocean in 1881: Botanical Notes Notes and Memoranda: Medical and Anthropological; Botanical; Ornithological.
Muir, John
367 Gutenberg downloadsen2010Difficulty 54 (Graduate)
Friends in Feathers and Fur, and Other Neighbors: For Young Folks
Johonnot, James
367 Gutenberg downloadsen2009Difficulty 33 (High School)
Roses: or, a Monograph of the Genus Rosa
Andrews, Henry Cranke, active 1799-1828
367 Gutenberg downloadsen2021Difficulty 63 (Academic)
Tales of a Vanishing River
Reed, Earl H. (Earl Howell)
367 Gutenberg downloadsen2019Difficulty 55 (Graduate)
The American Bee Journal, Volume XXXIII, No. 2, January 11, 1894
Various
367 Gutenberg downloadsen2018Difficulty 45 (College)
The Flowers and Gardens of Madeira
Du Cane, Florence
367 Gutenberg downloadsen2021Difficulty 60 (Graduate)
The Forests of Mount Rainier National Park
Allen, G. F. (Grenville F.)
367 Gutenberg downloadsen2010Difficulty 49 (College)
Travels in a Tree-top
Abbott, Charles C. (Charles Conrad)
367 Gutenberg downloadsen2017Difficulty 44 (College)
Woodland Paths
Packard, Winthrop
367 Gutenberg downloadsen2021Difficulty 47 (College)
Aspects of Reproduction and Development in the Prairie Vole (Microtus ochrogaster)
Fitch, Henry S. (Henry Sheldon)
366 Gutenberg downloadsen2011Difficulty 60 (Graduate)
Birds and Nature Vol. 09 No. 3 [March 1901]
Various
366 Gutenberg downloadsen2014Difficulty 54 (Graduate)
Birds and Nature Vol. 11 No. 3 [March 1902] Illustrated by Color Photography
Various
366 Gutenberg downloadsen2014Difficulty 41 (College)
Disease in captive wild mammals and birds : $b incidence, description, comparison
Fox, Herbert
366 Gutenberg downloadsen2025Difficulty 55 (Graduate)
Het Leven der Dieren, Deel 3, Hoofdstuk 04: De Insecten
Brehm, Alfred Edmund
366 Gutenberg downloadsnl2020
Het Leven der Dieren: Deel 2, Hoofdstuk 04: De Hoendervogels
Brehm, Alfred Edmund
366 Gutenberg downloadsnl2009
Minstrel Weather
Storm, Marian
366 Gutenberg downloadsen2012Difficulty 52 (Graduate)
The Haslemere Museum Gazette, Vol. 1, No. 2, June 1906 A Journal of Objective Education and Field-Study
Various
366 Gutenberg downloadsen2016Difficulty 50 (College)
The Mammals of Washtenaw County, Michigan Occasional Papers of the Museum of Zoology, No. 123
Wood, Norman Asa
366 Gutenberg downloadsen2010Difficulty 44 (College)
The Mountains of Oregon
Steel, W. G. (William Gladstone)
366 Gutenberg downloadsen2011Difficulty 52 (Graduate)
The Story of a Thousand-Year Pine
Mills, Enos A.
366 Gutenberg downloadsen2013Difficulty 47 (College)
Birds and Nature, Vol. 10 No. 1 [June 1901]
Various
365 Gutenberg downloadsen2015Difficulty 45 (College)
Essays on early ornithology and kindred subjects
McClymont, James Roxburgh
365 Gutenberg downloadsen2008Difficulty 58 (Graduate)
Fish Populations, Following a Drought, in the Neosho and Marais des Cygnes Rivers of Kansas
Deacon, James E.
365 Gutenberg downloadsen2010Difficulty 52 (Graduate)
Harvesting Ants and Trap-Door Spiders Notes and Observations on Their Habits and Dwellings
Moggridge, John Traherne
365 Gutenberg downloadsen2021Difficulty 54 (Graduate)
L'Illustration, No. 3666, 31 Mai 1913
Various
365 Gutenberg downloadsfr2012
Natural History of the Prairie Vole (Mammalian Genus Microtus) [KU. Vol. 1 No. 7]
Jameson, E. W. (Everett Williams)
365 Gutenberg downloadsen2011Difficulty 52 (Graduate)
Notizie del pubblico giardino de' semplici di Padova compilate intorno l'anno 1771
Marsili, Giovanni
365 Gutenberg downloadsit2005
Studies of trees in winter : $b A description of the deciduous trees of northeastern America
Huntington, Annie Oakes
365 Gutenberg downloadsen2024Difficulty 51 (Graduate)
Birds and All Nature, Vol. 6, No. 4, November 1899 In Natural Colors
Various
364 Gutenberg downloadsen2015Difficulty 44 (College)
Glimpses of Nature, and Objects of Interest Described, During a Visit to the Isle of Wight Designed to Assist and Encourage Young Persons in Forming Habits of Observation
Loudon, Mrs. (Jane)
364 Gutenberg downloadsen2015Difficulty 44 (College)
Histoire naturelle des oiseaux d'Afrique, t. 1
Le Vaillant, François
364 Gutenberg downloadsfr2018
Journal of Entomology and Zoology, Vol. 09, No. 1, March 1917
Various
364 Gutenberg downloadsen2015Difficulty 53 (Graduate)
The great beach
Hay, John
364 Gutenberg downloadsen2025Difficulty 51 (Graduate)
Wild Life in New Zealand. Part I. Mammalia. New Zealand Board of Science and Art. Manual No. 2.
Thomson, G. M. (George Malcolm)
364 Gutenberg downloadsen2018Difficulty 52 (Graduate)
Het Leven der Dieren: Deel 1, Hoofdstuk 14: Buideldieren; Hoofdstuk 15: Kloakdieren
Brehm, Alfred Edmund
363 Gutenberg downloadsnl2007
The Great Horse; or, The War Horse from the time of the Roman Invasion till its development into the Shire Horse.
Gilbey, Walter, Sir
363 Gutenberg downloadsen2018Difficulty 58 (Graduate)
The Rural Magazine, and Literary Evening Fire-Side, Vol. 1 No. 09 (1820)
Various
363 Gutenberg downloadsen2015Difficulty 63 (Academic)
Wildwood Ways
Packard, Winthrop
363 Gutenberg downloadsen2021Difficulty 51 (Graduate)
Het Leven der Dieren: Deel 1, Hoofdstuk 11: De Evenvingerigen
Brehm, Alfred Edmund
362 Gutenberg downloadsnl2007
Hoof and Claw
Roberts, Charles G. D., Sir
362 Gutenberg downloadsen2012Difficulty 46 (College)
Palm trees of the Amazon and their uses
Wallace, Alfred Russel
362 Gutenberg downloadsen2023Difficulty 62 (Academic)
The Irish Penny Journal, Vol. 1 No. 34, February 20, 1841
Various
362 Gutenberg downloadsen2017Difficulty 64 (Academic)
The Rural Magazine, and Literary Evening Fire-Side, Vol. 1 No. 02 (1820)
Various
362 Gutenberg downloadsen2015Difficulty 67 (Academic)
A New Subspecies of the Black Myotis (Bat) from Eastern Mexico
Hall, E. Raymond (Eugene Raymond) & Alvarez, Ticul
361 Gutenberg downloadsen2008Difficulty 55 (Graduate)
Geographic Distribution and Taxonomy of the Chipmunks of Wyoming
White, John A.
361 Gutenberg downloadsen2010Difficulty 50 (College)
Gestalten der Wildnis
Roberts, Charles G. D., Sir
361 Gutenberg downloadsde2015
Horse Secrets
Alexander, A. S. (Alexander Septimus)
361 Gutenberg downloadsen2020Difficulty 46 (College)
The Bee Preserver; or, Practical Directions for the Management and Preservation of Hives
Gélieu, Jonas de
361 Gutenberg downloadsen2022Difficulty 54 (Graduate)
The Gamekeeper at Home: Sketches of Natural History and Rural Life
Jefferies, Richard
361 Gutenberg downloadsen2011Difficulty 51 (Graduate)
Birds and All Nature, Vol. 7, No. 1, January 1900 Illustrated by Color Photography
Various
360 Gutenberg downloadsen2015Difficulty 43 (College)
Journal of a Horticultural Tour through Germany, Belgium, and part of France, in the Autumn of 1835 To which is added, a Catalogue of the different Species of Cacteæ in the Gardens at Woburn Abbey.
Forbes, James
360 Gutenberg downloadsen2012Difficulty 65 (Academic)
Nouvel atlas de poche des champignons Comestibles et Vénéneux les plus répandus. Série I (Troisième édition) Suivi de notions générales sur les champignons, leur classification, composition chimique, valeur alimentaire, préparation
Dumée, Paul
360 Gutenberg downloadsfr2010
Book of cats and dogs, and other friends, for little folks
Johonnot, James
359 Gutenberg downloadsen2022Difficulty 30 (Middle School)
Forest Trees and Forest Scenery
Schwarz, G. Frederick (George Frederick)
359 Gutenberg downloadsen2021Difficulty 56 (Graduate)
Some Common Birds Useful to the Farmer (1915 edition)
Beal, F. E. L. (Foster Ellenborough Lascelles)
359 Gutenberg downloadsen2020Difficulty 54 (Graduate)
The Dog's Medical Dictionary An encyclopædia of the diseases, their diagnosis & treatment, and the physical development of the dog
Sewell, Alfred Joseph
359 Gutenberg downloadsen2021Difficulty 51 (Graduate)
"Five-Head" Creek; and Fish Drugging in the Pacific 1901
Becke, Louis
358 Gutenberg downloadsen2008Difficulty 51 (Graduate)
Fishes of Chautauqua, Cowley and Elk Counties, Kansas
Metcalf, Artie L.
358 Gutenberg downloadsen2010Difficulty 55 (Graduate)
Montezuma National Forest, Colorado (1939)
United States. Forest Service. Rocky Mountain Region
358 Gutenberg downloadsen2020Difficulty 52 (Graduate)
Nests and Eggs of Familiar British Birds, Second Series Described and Illustrated; with an Account of the Haunts and Habits of the Feathered Architects, and their Times and Modes of Building
Adams, H. G. (Henry Gardiner)
358 Gutenberg downloadsen2012Difficulty 60 (Graduate)
Observations on the Mississippi Kite in Southwestern Kansas
Fitch, Henry S. (Henry Sheldon)
358 Gutenberg downloadsen2010Difficulty 55 (Graduate)
Summer Birds From the Yucatan Peninsula, Mexico
Klaas, Erwin E.
358 Gutenberg downloadsen2011Difficulty 52 (Graduate)
Zoological Illustrations, Second Series, Volume 1 or, Original Figures and Descriptions of New, Rare, or Interesting Animals
Swainson, William
358 Gutenberg downloadsen2013Difficulty 59 (Graduate)
Beautiful Lakeland
Abraham, Ashley Perry
357 Gutenberg downloadsen2018Difficulty 55 (Graduate)
Every woman her own flower gardener : $b A handy manual of flower gardening for ladies
Johnson, S. O. (Sophia Orne)
357 Gutenberg downloadsen2025Difficulty 53 (Graduate)
Grand Teton [Wyoming] National Park
United States. Department of the Interior
357 Gutenberg downloadsen2011Difficulty 54 (Graduate)
Landesverein Sächsischer Heimatschutz — Mitteilungen Band XII, Heft 1-3 : $b Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege
Unknown
357 Gutenberg downloadsde2022
Songs out of Doors
Van Dyke, Henry
357 Gutenberg downloadsen2005Difficulty 47 (College)
The fauna of the deep sea
Hickson, Sydney J. (Sydney John)
357 Gutenberg downloadsen2021Difficulty 63 (Academic)
The heathery; or, A monograph of the genus Erica. vol. 3
Andrews, Henry Cranke, active 1799-1828
357 Gutenberg downloadsen2023Difficulty 56 (Graduate)
A New Doglike Carnivore, Genus Cynarctus, From the Clarendonian, Pliocene, of Texas
Hall, E. Raymond (Eugene Raymond) & Dalquest, Walter Woelber
356 Gutenberg downloadsen2009Difficulty 53 (Graduate)
Fly Fishing in Wonderland
Barnes, Orange Perry
356 Gutenberg downloadsen2011Difficulty 59 (Graduate)
Hints on the History and Management of the Honey Bee Being the Substance of Two Lectures Read Before the Members of the Hereford Literary, Philosophical, and Antiquarian Institution, in the Winter of 1850-51
Bevan, Edward
356 Gutenberg downloadsen2022Difficulty 64 (Academic)
Journal of Entomology and Zoology, Vol. 11, No. 2, June 1919
Various
356 Gutenberg downloadsen2010Difficulty 54 (Graduate)
On the phenomena of variation and geographical distribution as illustrated by the Papilionidæ of the Malayan region
Wallace, Alfred Russel
356 Gutenberg downloadsen2024Difficulty 66 (Academic)
The 'Look About You' Nature Study Books, Book 2 [of 7]
Hoare, Thomas W.
356 Gutenberg downloadsen2015Difficulty 29 (Middle School)
The Chief Engineer
Abbott, Henry
356 Gutenberg downloadsen2010Difficulty 47 (College)
Ye Sundial Booke
Henslow, T. Geoffrey W. (Thomas Geoffrey Wall)
356 Gutenberg downloadsen2019Difficulty 58 (Graduate)
Birds and All Nature, Vol. 5, No. 3, March 1899 Illustrated by Color Photography
Various
355 Gutenberg downloadsen2015Difficulty 46 (College)
Birds and All Nature, Vol. 6, No. 3, October 1899 Illustrated by Color Photography
Various
355 Gutenberg downloadsen2015Difficulty 43 (College)
Gardening for Little Girls
Foster, Olive Hyde
355 Gutenberg downloadsen2012Difficulty 49 (College)
Kyphosis and other Variations in Soft-shelled Turtles
Smith, Hobart M. (Hobart Muir)
355 Gutenberg downloadsen2010Difficulty 46 (College)
The flowering plants of South Africa; vol. 5
Pole Evans, I. B. (Illtyd Buller)
355 Gutenberg downloadsen2025Difficulty 50 (College)
The Mentor: Game Birds of America, Vol. 1, Num. 34, Serial No. 34
Forbush, Edward Howe
355 Gutenberg downloadsen2015Difficulty 48 (College)
A Book of Birds
Moore-Park, Carton
354 Gutenberg downloadsen2016Difficulty 45 (College)
Am Rhein
Kerp, Heinrich Hubert
354 Gutenberg downloadsde2024
Stauder
Brandt, G. N. (Gudmund Nyeland)
354 Gutenberg downloadsda2003
The Child's Book of the Seasons
Ransome, Arthur
354 Gutenberg downloadsen2012Difficulty 36 (High School)
A New Bat (Myotis) From Mexico
Hall, E. Raymond (Eugene Raymond)
353 Gutenberg downloadsen2010Difficulty 57 (Graduate)
In-Door Gardening for Every Week in the Year Showing the Most Successful Treatment for all Plants Cultivated in the Greenhouse, Conservatory, Stove, Pit, Orchid, and Forcing-house
Keane, William, gardener
353 Gutenberg downloadsen2010Difficulty 48 (College)
Lassen Trails: A Brief Guide to the Trails of Lassen Volcanic National Park
Matteson, Stephen Halsey
353 Gutenberg downloadsen2017Difficulty 50 (College)
Sketches in Duneland
Reed, Earl H. (Earl Howell)
353 Gutenberg downloadsen2019Difficulty 47 (College)
Sweet Clover: Utilization
Coe, H. S.
353 Gutenberg downloadsen2020Difficulty 49 (College)
The Bee Hunter
Edgell, George Harold
353 Gutenberg downloadsen2021Difficulty 38 (High School)
Winter
Sharp, Dallas Lore
353 Gutenberg downloadsen2013Difficulty 45 (College)
A New Subspecies of the Fruit-eating Bat, Sturnira ludovici, From Western Mexico
Jones, J. Knox & Phillips, Gary L.
352 Gutenberg downloadsen2010Difficulty 55 (Graduate)
Bee-keeping for profit
Morley, W. S.
352 Gutenberg downloadsen2022Difficulty 53 (Graduate)
Birds and All Nature, Vol. 4, No. 1, July 1898 Illustrated by Color Photography
Various
352 Gutenberg downloadsen2014Difficulty 45 (College)
Foreign Butterflies
Duncan, James
352 Gutenberg downloadsen2018Difficulty 56 (Graduate)
Live toys : $b or, Anecdotes of our four-legged and other pets
Davenport, Emma
352 Gutenberg downloadsen2013Difficulty 46 (College)
Taxidermy without a Teacher Comprising a Complete Manual of Instruction for Preparing and Preserving Birds, Animals and Fishes
Manton, Walter Porter
352 Gutenberg downloadsen2016Difficulty 46 (College)
The book of topiary
Curtis, Charles H. & Gibson, W.
352 Gutenberg downloadsen2020Difficulty 66 (Academic)
Uit de dierenwereld van het water Schetsen in woord en beeld van het lever der lagere diersoorten
Snijders, A. J. C. (Anthony J. C.)
352 Gutenberg downloadsnl2022
Birds and Nature, Vol. 08, No. 4, November 1900 Illustrated by Color Photography
Various
351 Gutenberg downloadsen2015Difficulty 44 (College)
Child's Book of Water Birds
Anonymous
351 Gutenberg downloadsen2005Difficulty 47 (College)
Humpback Whales in Glacier Bay National Monument, Alaska
United States. Marine Mammal Commission
351 Gutenberg downloadsen2011Difficulty 62 (Academic)
Neighbors Unknown
Roberts, Charles G. D., Sir
351 Gutenberg downloadsen2014Difficulty 47 (College)
Olympic National Park, Washington
Fagerlund, Gunnar O.
351 Gutenberg downloadsen2017Difficulty 54 (Graduate)
Poisonous Snakes of Kansas
Clarke, Robert F. (Robert Francis)
351 Gutenberg downloadsen2019Difficulty 50 (College)
The Farmer's Own Book: A treatise on the numerous diseases of the horse with an explanation of their symptoms, and the course of treatment to be pursued; also a treatise on the diseases of horned cattle
Koogle, J. D.
351 Gutenberg downloadsen2017Difficulty 55 (Graduate)
The Percheron horse
Du Hays, Charles
351 Gutenberg downloadsen2023Difficulty 60 (Graduate)
Vertebrates from the Barrier Island of Tamaulipas, México
Selander, Robert K. & Johnston, Richard F. & Raun, Gerald G. & Wilks, B. J.
351 Gutenberg downloadsen2011Difficulty 54 (Graduate)
Zoological Illustrations, Volume 3 or, Original Figures and Descriptions of New, Rare, or Interesting Animals
Swainson, William
351 Gutenberg downloadsen2012Difficulty 60 (Graduate)
A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, México
Duellman, William Edward
350 Gutenberg downloadsen2011Difficulty 65 (Academic)
A-B-C of Gardening
Rexford, Eben E. (Eben Eugene)
350 Gutenberg downloadsen2014Difficulty 44 (College)
Birds and Nature Vol. 09 No. 2 [February 1901]
Various
350 Gutenberg downloadsen2014Difficulty 50 (College)
History of Beasts
Unknown
350 Gutenberg downloadsen2010Difficulty 38 (High School)
Making a Lawn
Doogue, Luke Joseph
350 Gutenberg downloadsen2008Difficulty 47 (College)
Report on the Migration of Birds in the Spring and Autumn of 1886. Eighth Report (Vol. II, No. 3.)
Harvie-Brown, J. A. (John Alexander) & Barrington, Richard Manliffe & Clarke, William Eagle & Cordeaux, John & More, Alexander Goodman
350 Gutenberg downloadsen2021Difficulty 43 (College)
Tales About Birds, Illustrative of Their Nature, Habits, and Instincts
Bingley, Thomas
350 Gutenberg downloadsen2020Difficulty 53 (Graduate)
The Mentor: The Yosemite Valley, Vol 4, Num. 16, Serial No. 116, October 2, 1916
Elmendorf, Dwight L. (Dwight Lathrop)
350 Gutenberg downloadsen2016Difficulty 48 (College)
British Butterflies
Stewart, Alexander Morrison
349 Gutenberg downloadsen2020Difficulty 51 (Graduate)
Additions to the List of the Birds of Louisiana
Lowery, George H., Jr.
348 Gutenberg downloadsen2010Difficulty 61 (Academic)
Birds and Nature Vol. 09 No. 4 [April 1901]
Various
348 Gutenberg downloadsen2014Difficulty 51 (Graduate)
La vie des termites
Maeterlinck, Maurice
348 Gutenberg downloadsfr2024
Pastoral Days; or, Memories of a New England Year
Gibson, W. Hamilton (William Hamilton)
348 Gutenberg downloadsen2012Difficulty 47 (College)
Birds and All Nature, Vol. 7, No. 5, May 1900 Illustrated by Color Photography
Various
347 Gutenberg downloadsen2015Difficulty 47 (College)
Birds of Song and Story
Grinnell, Elizabeth & Grinnell, Joseph
347 Gutenberg downloadsen2021Difficulty 47 (College)
Birds, Illustrated by Color Photography, Vol. 2, No. 1 July 1897
Various
347 Gutenberg downloadsen2009Difficulty 45 (College)
Comments on the Taxonomy and Geographic Distribution of Some North American Marsupials, Insectivores and Carnivores
Hall, E. Raymond (Eugene Raymond) & Kelson, Keith R.
347 Gutenberg downloadsen2010Difficulty 58 (Graduate)
Das Leben der Bienen
Maeterlinck, Maurice
347 Gutenberg downloadsde2020
Fishes of the Big Blue River Basin, Kansas
Minckley, W. L.
347 Gutenberg downloadsen2011Difficulty 47 (College)
Mammals taken Along the Alaska Highway
Baker, Rollin H. (Rollin Harold)
347 Gutenberg downloadsen2010Difficulty 47 (College)
North American Yellow Bats, 'Dasypterus,' and a List of the Named Kinds of the Genus Lasiurus Gray
Hall, E. Raymond (Eugene Raymond) & Jones, J. Knox
347 Gutenberg downloadsen2010Difficulty 59 (Graduate)
Peter Parley's Wonders of the Earth, Sea, and Sky
Goodrich, Samuel G. (Samuel Griswold)
347 Gutenberg downloadsen2020Difficulty 53 (Graduate)
The American Bee Journal, Vol. VI., Number 5, November 1870
Various
347 Gutenberg downloadsen2018Difficulty 53 (Graduate)
The botanist's repository for new and rare plants; vol. 08 [of 10]
Andrews, Henry Cranke, active 1799-1828
347 Gutenberg downloadsen2024Difficulty 58 (Graduate)
The Nakimu Caves, Glacier Dominion Park, B. C.
Canada. National Parks Branch
347 Gutenberg downloadsen2016Difficulty 54 (Graduate)
The Periodical Cicada, "the 17-year Locust"
United States. Department of Agriculture
347 Gutenberg downloadsen2019Difficulty 51 (Graduate)
Footing it in Franconia
Torrey, Bradford
346 Gutenberg downloadsen2022Difficulty 43 (College)
Lohilastuja ja kalakaskuja
Aho, Juhani
346 Gutenberg downloadsfi2004
Os jardins ou a arte de aformosear as paisagens: Poema
Delille, Jacques
346 Gutenberg downloadspt2022
The garden as a picture
Farrand, Beatrix
346 Gutenberg downloadsen2022Difficulty 63 (Academic)
The Olive
Bitting, K. G. (Katherine Golden)
346 Gutenberg downloadsen2016Difficulty 57 (Graduate)
Bee Keeping for Profit. A New System of Bee Management (1891) Third Edition.
Cotton, Lizzie E., Mrs.
345 Gutenberg downloadsen2022Difficulty 50 (College)
Birds and Nature, Vol. 08, No. 5, December 1900 Illustrated by Color Photography
Various
345 Gutenberg downloadsen2015Difficulty 47 (College)
Nature's year : $b The seasons of Cape Cod
Hay, John
345 Gutenberg downloadsen2025Difficulty 46 (College)
The wilderness
Mack, Amy E. (Amy Eleanor)
345 Gutenberg downloadsen2025Difficulty 50 (College)
A Child's Primer of Natural History
Herford, Oliver
344 Gutenberg downloadsen2008Difficulty 39 (High School)
An Explanatory Discourse by Tan Chet-qua of Quang-chew-fu, Gent.
Chambers, William, Sir
344 Gutenberg downloadsen2012Difficulty 64 (Academic)
Fort Jefferson National Monument, Florida
United States. National Park Service
344 Gutenberg downloadsen2015Difficulty 57 (Graduate)
Het Leven der Dieren: Deel 1, Hoofdstuk 07: De Knaagdieren
Brehm, Alfred Edmund
344 Gutenberg downloadsnl2007
The heathery; or, A monograph of the genus Erica. vol. 1
Andrews, Henry Cranke, active 1799-1828
344 Gutenberg downloadsen2022Difficulty 52 (Graduate)
A Medley of Weather Lore
Unknown
343 Gutenberg downloadsen2014Difficulty 42 (College)
Birds and All Nature, Vol. 6, No. 2, September 1899 Illustrated by Color Photography
Various
343 Gutenberg downloadsen2015Difficulty 53 (Graduate)
Journal of Entomology and Zoology, Vol. 06, No. 4, December 1914
Various
343 Gutenberg downloadsen2015Difficulty 53 (Graduate)
Report on the Migration of Birds in the Spring and Autumn of 1881. Third Report
Harvie-Brown, J. A. (John Alexander) & Barrington, Richard Manliffe & Cordeaux, John & Kermode, P. M. C. (Philip Moore Callow) & More, Alexander Goodman
343 Gutenberg downloadsen2021Difficulty 41 (College)
The horse's mouth, showing the age by the teeth
Mayhew, Edward
343 Gutenberg downloadsen2014Difficulty 55 (Graduate)
War Dogs of the World War
Anderson, John I.
343 Gutenberg downloadsen2016Difficulty 50 (College)
Biltmore House and Gardens Biltmore Estate, Biltmore-Asheville North Carolina
Anonymous
342 Gutenberg downloadsen2019Difficulty 58 (Graduate)
Bird Children: The Little Playmates of the Flower Children
Gordon, Elizabeth
342 Gutenberg downloadsen2014Difficulty 55 (Graduate)
Birds and All Nature, Vol. 6, No. 1, June 1899 Illustrated by Color Photography
Various
342 Gutenberg downloadsen2015Difficulty 51 (Graduate)
Birds and Nature Vol. 11 No. 4 [April 1902] Illustrated by Color Photography
Various
342 Gutenberg downloadsen2014Difficulty 39 (High School)
Birds and Nature, Vol. 08, No. 1, June 1900 In Natural Colors
Various
342 Gutenberg downloadsen2015Difficulty 47 (College)
Description of a New Softshell Turtle from the Southeastern United States
Webb, Robert G. (Robert Gravem)
342 Gutenberg downloadsen2010Difficulty 60 (Graduate)
Five Natural Hybrid Combinations in Minnows (Cyprinidae)
Cross, Frank B. (Frank Bernard) & Minckley, W. L.
342 Gutenberg downloadsen2011Difficulty 56 (Graduate)
Trout Flies of Devon and Cornwall, and When and How to Use Them
Soltau, G. W. (George W.)
342 Gutenberg downloadsen2019Difficulty 60 (Graduate)
Unsere Haustiere vom Standpunkte ihrer wilden Verwandten
Zell, Th. (Theodor)
342 Gutenberg downloadsde2018
Comments on the Taxonomy and Geographic Distribution of Some North American Rodents
Hall, E. Raymond (Eugene Raymond) & Kelson, Keith R.
341 Gutenberg downloadsen2010Difficulty 56 (Graduate)
Forest Life and Forest Trees: comprising winter camp-life among the loggers, and wild-wood adventure. with Descriptions of lumbering operations on the various rivers of Maine and New Brunswick
Springer, John S.
341 Gutenberg downloadsen2011Difficulty 52 (Graduate)
Mammals Obtained by Dr. Curt von Wedel from the Barrier Beach of Tamaulipas, Mexico
Hall, E. Raymond (Eugene Raymond)
341 Gutenberg downloadsen2009Difficulty 53 (Graduate)
New West Indian Spiders Bulletin of the AMNH, Vol. XXXIII, Art. XLI, pp. 639-642
Banks, Nathan
341 Gutenberg downloadsen2010Difficulty 47 (College)
Notes on Veterinary Anatomy
Korinek, Charles James
341 Gutenberg downloadsen2019Difficulty 53 (Graduate)
Rocky Mountain National Park, Colorado
Alberts, Edwin C. (Edwin Cameron)
341 Gutenberg downloadsen2018Difficulty 56 (Graduate)
The Brochure Series of Architectural Illustration, vol. 06, No. 02, February 1900 Japanese Gardens
Various
341 Gutenberg downloadsen2014Difficulty 65 (Academic)
The Seer of Slabsides
Sharp, Dallas Lore
341 Gutenberg downloadsen2013Difficulty 53 (Graduate)
The woods
Malloch, Douglas
341 Gutenberg downloadsen2023Difficulty 41 (College)
Tiervater Brehm : $b Seine Forschungsreisen : Ein Gedenkblatt zum 100. Geburtstag
Floericke, Kurt
341 Gutenberg downloadsde2025
A Tour to the River Saguenay, in Lower Canada
Lanman, Charles
340 Gutenberg downloadsen2015Difficulty 52 (Graduate)
Aus dem Leben unserer Vögel
Buckley, Arabella B. (Arabella Burton)
340 Gutenberg downloadsde2022
Beach Rambles in Search of Seaside Pebbles and Crystals With Some Observations on the Origin of the Diamond and Other Precious Stones
Francis, John George
340 Gutenberg downloadsen2018Difficulty 55 (Graduate)
Birds Illustrated by Color Photography, Vol. 3, No. 6, June 1898
Various
340 Gutenberg downloadsen2014Difficulty 46 (College)
The Domestic Cat
Stables, Gordon
340 Gutenberg downloadsen2011Difficulty 51 (Graduate)
The Jenolan Caves: An Excursion in Australian Wonderland
Cook, Samuel
340 Gutenberg downloadsen2012Difficulty 57 (Graduate)
Winter
Thijsse, Jac. P. (Jacobus Pieter)
340 Gutenberg downloadsnl2025
Zwischen Pol und Äquator: Tiergeographische Lebensbilder
Floericke, Kurt
340 Gutenberg downloadsde2022
A New Hylid Frog from Eastern Mexico. University of Kansas Publication, Vol 1, No 15
Taylor, Edward Harrison
339 Gutenberg downloadsen2010Difficulty 62 (Academic)
Canoe and camera : $b a two hundred mile tour through the Maine forests
Steele, Thomas Sedgwick
339 Gutenberg downloadsen2020Difficulty 49 (College)
Ferns of Hawaii National Park
Hubbard, Douglass H.
339 Gutenberg downloadsen2019Difficulty 54 (Graduate)
George Washington Carver National Monument Junior Ranger Activity Book: The Scientist
United States. National Park Service
339 Gutenberg downloadsen2020Difficulty 49 (College)
Jedermanns Hundebuch : $b Pflege, Erziehung und Dressur des Haushundes
Otto-Kreckwitz, Ernst von
339 Gutenberg downloadsde2022
Pohjoisnavalta päiväntasaajalle: Helppotajuisia esitelmiä
Brehm, Alfred Edmund
339 Gutenberg downloadsfi2016
The Book of Bulbs
Arnott, Samuel
339 Gutenberg downloadsen2014Difficulty 58 (Graduate)
The Book of Shells Containing the Classes Mollusca, Conchifera, Cirrhipeda, Annulata, and Crustacea
Society for Promoting Christian Knowledge (Great Britain). Committee of General Literature and Education
339 Gutenberg downloadsen2019Difficulty 64 (Academic)
Zion National Park, Bryce Canyon, Cedar Breaks, Kaibab Forest, North Rim of Grand Canyon
Union Pacific Railroad Company
339 Gutenberg downloadsen2014Difficulty 59 (Graduate)
Alpine flora of the Canadian Rocky Mountains
Brown, Stewardson
338 Gutenberg downloadsen2025Difficulty 60 (Graduate)
Het Leven der Dieren: Deel 2, Hoofdstuk 01: De Boomvogels.
Brehm, Alfred Edmund
338 Gutenberg downloadsnl2009
Natuurfantazieën
Carelsen, Geertruida
338 Gutenberg downloadsnl2016
Notes on Diseases of Cattle: Cause, Symptoms and Treatment
Korinek, Charles James
338 Gutenberg downloadsen2019Difficulty 55 (Graduate)
Noteworthy Records of Bats From Nicaragua, with a Checklist of the Chiropteran Fauna of the Country
Jones, J. Knox & Smith, James Dale & Turner, Ronald W.
338 Gutenberg downloadsen2010Difficulty 55 (Graduate)
Shells and pebbles: A story for children
Anonymous
338 Gutenberg downloadsen2022Difficulty 40 (High School)
Supplement to Harvesting Ants and Trap-Door Spiders
Moggridge, John Traherne & Pickard-Cambridge, Octavius
338 Gutenberg downloadsen2021Difficulty 59 (Graduate)
The Airedale
Haynes, Williams
338 Gutenberg downloadsen2013Difficulty 46 (College)
The Italian Alp-bee; or, The gold mine of husbandry short and practical instructions to breed genuine prolific Italian queens; to multiply them by hundreds in a few months and how to change German hives into Italian
Hermann, H. C. (Heinrich C.)
338 Gutenberg downloadsen2023Difficulty 51 (Graduate)
An Annotated Check List of the Mammals of Michoacán, México
Hall, E. Raymond (Eugene Raymond) & Villa Ramírez, Bernardo
337 Gutenberg downloadsen2012Difficulty 55 (Graduate)
Birds and Nature Vol. 11 No. 2 [February 1902] Illustrated by Color Photography
Various
337 Gutenberg downloadsen2014Difficulty 36 (High School)
Birds and Nature, Vol. 12 No. 4 [September 1902] Illustrated by Color Photography
Various
337 Gutenberg downloadsen2015Difficulty 46 (College)
Catching of the whale and seal : $b or, Henry Acton's conversation to his son William on the whale and seal fishery
Anonymous
337 Gutenberg downloadsen2024Difficulty 53 (Graduate)
Devils Postpile National Monument, California [1984]
United States. National Park Service
337 Gutenberg downloadsen2021Difficulty 55 (Graduate)
Home Range and Movements of the Eastern Cottontail in Kansas
Janes, Donald W.
337 Gutenberg downloadsen2009Difficulty 55 (Graduate)
Natural History of the Salamander, Aneides hardii
Johnston, Richard F. & Schad, G. A.
337 Gutenberg downloadsen2010Difficulty 59 (Graduate)
The Badger: A Monograph
Pease, Alfred E. (Alfred Edward), Sir
337 Gutenberg downloadsen2011Difficulty 53 (Graduate)
Birds and All Nature, Vol. 4, No. 6, December 1898 Illustrated by Color Photography
Various
336 Gutenberg downloadsen2014Difficulty 51 (Graduate)
Coloured engravings of heaths; vol. 2
Andrews, Henry Cranke, active 1799-1828
336 Gutenberg downloadsen2023Difficulty 64 (Academic)
Het Leven der Dieren: Deel 1, Hoofdstuk 05: Robben; Hoofdstuk 06: Insecteneters
Brehm, Alfred Edmund
336 Gutenberg downloadsnl2006
Proceedings of the California Academy of Sciences, Series 3, Volume 4 (Zoology)
Various
336 Gutenberg downloadsen2017Difficulty 70 (Academic)
Rambles of a Naturalist
Godman, John D. (John Davidson)
336 Gutenberg downloadsen2011Difficulty 58 (Graduate)
Subject to Vanity
Benson, Margaret
336 Gutenberg downloadsen2021Difficulty 46 (College)
The American Bee Journal, Volume VI, Number 3, September 1870
Various
336 Gutenberg downloadsen2018Difficulty 56 (Graduate)
The Trail of the Sandhill Stag
Seton, Ernest Thompson
336 Gutenberg downloadsen2010Difficulty 40 (High School)
Bird Guide: Water Birds, Game Birds, and Birds of Prey East of the Rockies
Reed, Chester A. (Chester Albert)
335 Gutenberg downloadsen2014Difficulty 46 (College)
Index to University of Kansas Publications, Museum of Natural History, Volume 1 1946-1950
University of Kansas
335 Gutenberg downloadsen2011Difficulty 84 (Specialist)
Our Flowering Shrubs, and How to Know Them
Unknown
335 Gutenberg downloadsen2012Difficulty 62 (Academic)
Report on the Migration of Birds in the Autumn of 1879. [First Report]
Harvie-Brown, J. A. (John Alexander) & Cordeaux, John
335 Gutenberg downloadsen2021Difficulty 40 (High School)
The Engadine
Musson, Spencer C.
335 Gutenberg downloadsen2023Difficulty 58 (Graduate)
The Orchid Album, Volume 2 Comprising Coloured Figures and Descriptions of New, Rare, and Beautiful Orchidaceous Plants
Moore, Thomas
335 Gutenberg downloadsen2019Difficulty 58 (Graduate)
The Queen Bee, and Other Nature Stories
Ewald, Carl
335 Gutenberg downloadsen2012Difficulty 32 (High School)
Wald : $b Der deutsche Wald und was er raunt und singt
Unknown
335 Gutenberg downloadsde2025
A synopsis of the palms of Puerto Rico
Cook, O. F. (Orator Fuller)
334 Gutenberg downloadsen2023Difficulty 63 (Academic)
Bäume und Sträucher
Buckley, Arabella B. (Arabella Burton)
334 Gutenberg downloadsde2022
Comments on the Taxonomy and Geographic Distribution of North American Microtines
Hall, E. Raymond (Eugene Raymond) & Cockrum, E. Lendell
334 Gutenberg downloadsen2009Difficulty 62 (Academic)
Glaciers of the Rockies and Selkirks, 2nd. ed. With Notes on Five Great Glaciers of the Canadian National Parks
Coleman, A. P. (Arthur Philemon)
334 Gutenberg downloadsen2016Difficulty 56 (Graduate)
Lost Mine Trail, Big Bend National Park, Texas
Anonymous
334 Gutenberg downloadsen2019Difficulty 52 (Graduate)
Mother West Wind's Animal Friends
Burgess, Thornton W. (Thornton Waldo)
334 Gutenberg downloadsen2012Difficulty 34 (High School)
The American Bee Journal. Vol. XVII. No. 14. April 6, 1881
Various
334 Gutenberg downloadsen2019Difficulty 46 (College)
Wild Life at the Land's End Observations of the Habits and Haunts of the Fox, Badger, Otter, Seal, Hare and of Their Pursuers in Cornwall
Tregarthen, J. C. (John Coulson)
334 Gutenberg downloadsen2018Difficulty 42 (College)
Yellowstone and Grand Teton National Parks
Union Pacific Railroad Company
334 Gutenberg downloadsen2014Difficulty 54 (Graduate)
Additional Records and Extensions of Known Ranges of Mammals from Utah
Durrant, Stephen David & Hansen, Richard M. & Lee, M. Raymond
333 Gutenberg downloadsen2010Difficulty 57 (Graduate)
Gleanings in Bee Culture, Vol. III. No. 3
Various
333 Gutenberg downloadsen2019Difficulty 43 (College)
Information for the Guidance of Field Men and Cooperators of the Bureau of Biological Survey Engaged in the Control of Injurious Rodents and Predatory Animals
Redington, Paul G. (Paul Goodwin) & Young, Stanley Paul
333 Gutenberg downloadsen2015Difficulty 74 (Expert)
The botanist's repository for new and rare plants; vol. 06 [of 10]
Andrews, Henry Cranke, active 1799-1828
333 Gutenberg downloadsen2024Difficulty 63 (Academic)
Vick's Illustrated Monthly Magazine, Volume 17, No. 5, March, 1894
Various
333 Gutenberg downloadsen2020Difficulty 48 (College)
Winter
Anonymous
333 Gutenberg downloadsen2014Difficulty 46 (College)
A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus
Trueb, Linda & Duellman, William Edward
332 Gutenberg downloadsen2011Difficulty 67 (Academic)
Dierenleven in de wildernis : $b Schetsen uit het leven der dieren hun natuurlijke aanleg en wat zij leeren moeten
Long, William J. (William Joseph)
332 Gutenberg downloadsnl2006
Florida Caverns State Park Marianna, Florida
Vernon, Robert O. (Robert Orion)
332 Gutenberg downloadsen2014Difficulty 58 (Graduate)
Report on the Migration of Birds in the Spring and Autumn of 1880. [Second Report]
Harvie-Brown, J. A. (John Alexander) & Cordeaux, John & Kermode, P. M. C. (Philip Moore Callow)
332 Gutenberg downloadsen2021Difficulty 38 (High School)
The Black Moose in Pennsylvania
Shoemaker, Henry W. (Henry Wharton)
332 Gutenberg downloadsen2014Difficulty 58 (Graduate)
Birds Illustrated by Color Photography, Vol. 3, No. 4.
Various
331 Gutenberg downloadsen2014Difficulty 52 (Graduate)
Het Geuldal De Aarde en haar Volken, 1907
Lamberts Hurrelbrinck, L. H. J.
331 Gutenberg downloadsnl2006
Hope Farm Notes
Collingwood, Herbert W. (Herbert Winslow)
331 Gutenberg downloadsen2020Difficulty 44 (College)
Selected Records of Reptiles and Amphibians from Kansas
Breukelman, John & Smith, Hobart M. (Hobart Muir)
331 Gutenberg downloadsen2010Difficulty 47 (College)
The heathery; or, A monograph of the genus Erica. vol. 6
Andrews, Henry Cranke, active 1799-1828
331 Gutenberg downloadsen2023Difficulty 58 (Graduate)
The Ohio Naturalist, vol. II, no. 2, December, 1901
Ohio State University. Biological Club
331 Gutenberg downloadsen2023Difficulty 64 (Academic)
Bee-keeping for the Many; or, The management of the common and Ligurian honey bee Including the selection of hives and a bee-keeper's calendar
Payne, J. H.
330 Gutenberg downloadsen2022Difficulty 55 (Graduate)
Het Eiland Wieringen en Zijne Bewoners
Allan, Francis
330 Gutenberg downloadsnl2013
Het Leven der Dieren: Deel 1, Hoofdstuk 08: De Tandeloozen; Hoofdstuk 09: De Slurfdieren; Hoofdstuk 10: De Onevenvingerigen
Brehm, Alfred Edmund
330 Gutenberg downloadsnl2007
Journal of Entomology and Zoology, Vol. 09, No. 3, September 1917
Various
330 Gutenberg downloadsen2015Difficulty 56 (Graduate)
Our British Snails
Horsley, J. W. (John William)
330 Gutenberg downloadsen2012Difficulty 53 (Graduate)
Sand dunes story
Bessken, Donna P. (Donna Paul)
330 Gutenberg downloadsen2020Difficulty 47 (College)
The Bee Keeper's Guide, Third Edition Containing concise practical directions for the management of bees, upon the depriving system
Payne, J. H.
330 Gutenberg downloadsen2022Difficulty 60 (Graduate)
The Welsh Pony, Described in two letters to a friend
Dargan, Olive Tilford
330 Gutenberg downloadsen2011Difficulty 63 (Academic)
Aus dem Leben der Insekten
Buckley, Arabella B. (Arabella Burton)
329 Gutenberg downloadsde2022
Better Than Men
Hawkins, Rush C. (Rush Christopher)
329 Gutenberg downloadsen2016Difficulty 57 (Graduate)
Birds Found on the Arctic Slope of Northern Alaska
Bee, James W.
329 Gutenberg downloadsen2010Difficulty 42 (College)
Habits, Haunts and Anecdotes of the Moose and Illustrations from Life
Jones, Charles Albert
329 Gutenberg downloadsen2011Difficulty 45 (College)
Het Leven der Dieren: Deel 1, Hoofdstuk 02: De Halfapen; Hoofdstuk 03: De Vleermuizen
Brehm, Alfred Edmund
329 Gutenberg downloadsnl2005
Justin Morgan, founder of his race : $b the romantic history of a horse
Burnham, Eleanor Waring
329 Gutenberg downloadsen2024Difficulty 49 (College)
Kijkjes in het dierenleven : $b Schetsen uit het leven der dieren in de wildernis, hun natuurlijke aanleg en wat zij leeren moeten
Long, William J. (William Joseph)
329 Gutenberg downloadsnl2024
More About the Squirrels
Tyrrell, Eleanor
329 Gutenberg downloadsen2016Difficulty 43 (College)
On horse-breaking
Moreton, Robert
329 Gutenberg downloadsen2023Difficulty 55 (Graduate)
Powder-Post Beetles in Buildings: What to Do About Them
St. George, R. A. (Raymond Alexander) & McIntyre, T.
329 Gutenberg downloadsen2019Difficulty 50 (College)
Zoological Illustrations, Second Series, Volume 3 or, Original Figures and Descriptions of New, Rare, or Interesting Animals
Swainson, William
329 Gutenberg downloadsen2013Difficulty 61 (Academic)
Birds and Nature Vol. 09 No. 5 [May 1901] Illustrated by Color Photography
Various
328 Gutenberg downloadsen2014Difficulty 51 (Graduate)
Mirror of the Months
Patmore, P. G. (Peter George)
328 Gutenberg downloadsen2011Difficulty 59 (Graduate)
The Book of the Hamburgs A Brief Treatise upon the Mating, Rearing and Management of the Different Varieties of Hamburgs
Baum, L. Frank (Lyman Frank)
328 Gutenberg downloadsen2017Difficulty 58 (Graduate)
The Nautilus. Vol. XXXI, No. 2, October 1917 A Quarterly Journal Devoted to the Interests of Conchologists
Various
328 Gutenberg downloadsen2019Difficulty 52 (Graduate)
Freak trees of the State of New York
Whipple, Gurth Adelbert
327 Gutenberg downloadsen2023Difficulty 48 (College)
George Washington Carver National Monument Junior Ranger Activity Book: The Plant Doctor
United States. National Park Service
327 Gutenberg downloadsen2020Difficulty 51 (Graduate)
Illustrated Index of British Shells Containing figures of all the recent species
Sowerby, G. B. (George Brettingham)
327 Gutenberg downloadsen2013Difficulty 53 (Graduate)
Methods of Destroying Rats
Lantz, David E. (David Ernest)
327 Gutenberg downloadsen2010Difficulty 55 (Graduate)
Report on the Migration of Birds in the Spring and Autumn of 1883. Fifth Report
Harvie-Brown, J. A. (John Alexander) & Barrington, Richard Manliffe & Cordeaux, John & More, Alexander Goodman
327 Gutenberg downloadsen2021Difficulty 44 (College)
The Handy Horse-book or Practical Instructions in Driving, Riding, and the General Care and Management of Horses. 4th ed.
Mahon, Maurice Hartland
327 Gutenberg downloadsen2020Difficulty 61 (Academic)
Trotwood's Monthly, Vol. I, No. 1, October 1905
Various
327 Gutenberg downloadsen2020Difficulty 55 (Graduate)
A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas
Martin, Edwin Perry
326 Gutenberg downloadsen2012Difficulty 61 (Academic)
Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado
Douglas, Charles L.
326 Gutenberg downloadsen2012Difficulty 63 (Academic)
The Ohio naturalist, Vol. 1, No. 8, June 1901
Ohio State University. Biological Club
326 Gutenberg downloadsen2022Difficulty 51 (Graduate)
To Geyserland Union Pacific-Oregon Short Line Railroads to the Yellowstone National Park
Colborn, Edward F.
326 Gutenberg downloadsen2012Difficulty 62 (Academic)
Birds and All Nature, Vol. 4, No. 2, August 1898 Illustrated by Color Photography
Various
325 Gutenberg downloadsen2014Difficulty 47 (College)
For the Birds
U.S. Fish and Wildlife Service
325 Gutenberg downloadsen2020Difficulty 47 (College)
Landesverein Sächsischer Heimatschutz — Mitteilungen Band X, Heft 10-12 : $b Monatsschrift für Heimatschutz und Denkmalpflege
Unknown
325 Gutenberg downloadsde2021
Mammals of the Grand Mesa, Colorado
Anderson, Sydney
325 Gutenberg downloadsen2010Difficulty 51 (Graduate)
Notes on Stable Management in India and the Colonies
Nunn, Joshua A. (Joshua Arthur)
325 Gutenberg downloadsen2010Difficulty 52 (Graduate)
Shaggycoat: The Biography of a Beaver
Hawkes, Clarence
325 Gutenberg downloadsen2012Difficulty 45 (College)
Shenandoah National Park, Virginia
United States. National Park Service
325 Gutenberg downloadsen2019Difficulty 50 (College)
Shoshone National Forest, Wyoming
United States. Forest Service
325 Gutenberg downloadsen2019Difficulty 58 (Graduate)
Small Horses in Warfare
Gilbey, Walter, Sir
325 Gutenberg downloadsen2011Difficulty 57 (Graduate)
The Baculum in the Chipmunks of Western North America
White, John A.
325 Gutenberg downloadsen2010Difficulty 46 (College)
The Kansas University Science Bulletin (Vol. I, No. 1)
Various
325 Gutenberg downloadsen2017Difficulty 50 (College)
The run
Hay, John
325 Gutenberg downloadsen2025Difficulty 48 (College)
A Taxonomic Revision of the Leptodactylid Frog Genus Syrrhophus Cope
Lynch, John D.
324 Gutenberg downloadsen2011Difficulty 64 (Academic)
Descriptions of New Hylid Frogs From Mexico and Central America
Duellman, William Edward
324 Gutenberg downloadsen2010Difficulty 64 (Academic)
El Morro Trails: El Morro National Monument, New Mexico
Southwest Parks and Monuments Association
324 Gutenberg downloadsen2021Difficulty 48 (College)
Harper's Young People, March 30, 1880 An Illustrated Weekly
Various
324 Gutenberg downloadsen2009Difficulty 43 (College)
The Florist and Horticultural Journal, Vol. II. No. 7, July, 1853 A Monthly Magazine of Horticulture, Agriculture, Botany, Agricultural Chemistry, Entomology, &c.
Various
324 Gutenberg downloadsen2018Difficulty 55 (Graduate)
Landesverein Sächsischer Heimatschutz — Mitteilungen Band XIV, Heft 1-2 : $b Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege
Unknown
323 Gutenberg downloadsde2024
Our Feathered Friends
Grinnell, Elizabeth & Grinnell, Joseph
323 Gutenberg downloadsen2021Difficulty 39 (High School)
The American Bee Journal, Volume XXXIII, No. 4, January 25, 1894
Various
323 Gutenberg downloadsen2019Difficulty 47 (College)
Zoological Illustrations, Volume 2 or, Original Figures and Descriptions of New, Rare, or Interesting Animals
Swainson, William
323 Gutenberg downloadsen2012Difficulty 62 (Academic)
A Trip to Pilawin, the Deer-park of Count Joseph Potocki in Volhynia, Russia
Lydekker, Richard
322 Gutenberg downloadsen2015Difficulty 63 (Academic)
Au Hoggar : $b mission de 1922
Kilian, Conrad
322 Gutenberg downloadsfr2024
Birds and Nature Vol. 11 No. 5 [May 1902] Illustrated by Color Photography
Various
322 Gutenberg downloadsen2014Difficulty 48 (College)
De bloemenvelden
Groot, J. W. de
322 Gutenberg downloadsnl2025
This Then is Upland Pastures Being some out-door essays dealing with the beautiful things that the spring and summer bring
Knapp, Adeline
322 Gutenberg downloadsen2021Difficulty 50 (College)
Von Wundern und Tieren: Neue naturwissenschaftliche Plaudereien
Bölsche, Wilhelm
322 Gutenberg downloadsde2017
Cactus Forest Drive, Saguaro National Monument
Anonymous
321 Gutenberg downloadsen2019Difficulty 60 (Graduate)
Eucalyptos e Acacias: Vinte annos de experiencias
Lima, Jaime de Magalhães
321 Gutenberg downloadspt2009
Fishes of the Wakarusa River in Kansas
Deacon, James E. & Metcalf, Artie L.
321 Gutenberg downloadsen2010Difficulty 45 (College)
The American Bee Journal, Vol. VI, No. 4, October 1870
Various
321 Gutenberg downloadsen2018Difficulty 48 (College)
The penny magazine of the Society for the Diffusion of Useful Knowledge, issue 15, June 30, 1832
Unknown
321 Gutenberg downloadsen2025Difficulty 60 (Graduate)
The Postnatal Development of Two Broods of Great Horned Owls (Bubo virginianus)
Hoffmeister, Donald Frederick & Setzer, Henry W.
321 Gutenberg downloadsen2011Difficulty 51 (Graduate)
Het Leven der Dieren: Deel 1, Hoofdstuk 12: Sirenen; Hoofdstuk 13: Walvischachtigen
Brehm, Alfred Edmund
320 Gutenberg downloadsnl2007
Ten Kittens
Puckett, G. A.
320 Gutenberg downloadsen2021Difficulty 35 (High School)
The botanist's repository for new and rare plants; vol. 05 [of 10]
Andrews, Henry Cranke, active 1799-1828
320 Gutenberg downloadsen2024Difficulty 55 (Graduate)
The Green Thumb, Nov.-Dec. 1959, Vol. 16, No. 10
Colorado Forestry and Horticultural Association
320 Gutenberg downloadsen2019Difficulty 52 (Graduate)
The Preparation of Bees for Outdoor Wintering
Phillips, Everett Franklin & Demuth, Geo. S. (George S.)
320 Gutenberg downloadsen2019Difficulty 53 (Graduate)
The Two Great Canyons: Excerpts From Letters Written on a Western Journey
Cole, Cyrenus
320 Gutenberg downloadsen2022Difficulty 44 (College)
Coloured engravings of heaths; vol. 3
Andrews, Henry Cranke, active 1799-1828
319 Gutenberg downloadsen2023Difficulty 66 (Academic)
Cumberland Island: Junior Ranger Program Activity Guide for Ages 5-7
United States. National Park Service
319 Gutenberg downloadsen2020Difficulty 48 (College)
Greetings from Crater Lake National Park, Oregon 7 Framing-Size Photo Reproductions in Natural COlor
Unknown
319 Gutenberg downloadsen2021Difficulty 89 (Specialist)
I funghi mangerecci e velenosi dell'Europa media con speciale riguardo a quelli che crescono nel Trentino - II edizione riveduta ed aumentata
Bresadola, Giacomo
319 Gutenberg downloadsit2013
Little Tales of The Desert
Foster, Ethel Twycross
319 Gutenberg downloadsen2009Difficulty 38 (High School)
Ponies past and present
Gilbey, Walter, Sir
319 Gutenberg downloadsen2025Difficulty 58 (Graduate)
The flowering plants of South Africa; vol. 2
Unknown
319 Gutenberg downloadsen2021Difficulty 51 (Graduate)
The Irish Penny Journal, Vol. 1 No. 45, May 8, 1841
Various
319 Gutenberg downloadsen2017Difficulty 62 (Academic)
Theory and Practice, Applied to the Cultivation of the Cucumber in the Winter Season To Which Is Added a Chapter on Melons
Moore, Thomas
319 Gutenberg downloadsen2010Difficulty 83 (Specialist)
Trees of the Forest: Their Beauty and Use
Anonymous
319 Gutenberg downloadsen2019Difficulty 56 (Graduate)
Trotwood's Monthly, Vol. II, No. 1, April, 1906
Various
319 Gutenberg downloadsen2023Difficulty 46 (College)
Description of a New Vespertilionine Bat from Yucatan Author's Edition, extracted from Bulletin of the American Museum of Natural History, Vol. IX, September 28, 1897
Allen, J. A. (Joel Asaph)
318 Gutenberg downloadsen2008Difficulty 53 (Graduate)
L'art du taupier; ou, méthode amusante et infaillible de prendre les taupes
Dralet, M. (Etienne François)
318 Gutenberg downloadsfr2011
Le Tour du Monde; Voyage d'un naturaliste. Journal des voyages et des voyageurs; 2. sem. 1860
Various
318 Gutenberg downloadsfr2008
The new book of Niagara: Scenes in summer and winter
Anonymous
318 Gutenberg downloadsen2022Difficulty 47 (College)
Ecology of the Opossum on a Natural Area in Northeastern Kansas
Fitch, Henry S. (Henry Sheldon) & Sandidge, Lewis L.
317 Gutenberg downloadsen2011Difficulty 62 (Academic)
Some Common Birds Useful to the Farmer (1926 edition)
Beal, F. E. L. (Foster Ellenborough Lascelles)
317 Gutenberg downloadsen2020Difficulty 55 (Graduate)
The Ornithologist and Oölogist. Vol. VIII, No. 11, November, 1883 Birds: Their Nests and Eggs
Various
317 Gutenberg downloadsen2019Difficulty 43 (College)
The Rural Magazine, and Literary Evening Fire-Side, Vol. 1 No. 10 (1820)
Various
317 Gutenberg downloadsen2015Difficulty 64 (Academic)
Descripción de la Patagonia y de las Partes Adyacentes de la América Meridional
Falkner, Thomas
316 Gutenberg downloadses2009
Tonto Cliff Dwellings Guide: Tonto National Monument, Arizona 11th Edition, Revised
Southwest Parks and Monuments Association & United States. National Park Service
316 Gutenberg downloadsen2015Difficulty 51 (Graduate)
Villars and Its Environs
Flemwell, G. (George)
316 Gutenberg downloadsen2018Difficulty 58 (Graduate)
Boys of the Old Sea Bed: Tales of Nature and Adventure
McConnell, Charles Allen
315 Gutenberg downloadsen2020Difficulty 46 (College)
In a Cheshire Garden: Natural History Notes
Egerton-Warburton, Geoffrey
315 Gutenberg downloadsen2012Difficulty 48 (College)
Landesverein Sächsischer Heimatschutz — Mitteilungen Band XIII, Heft 9-10 : $b Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege
Unknown
315 Gutenberg downloadsde2024
The Botanical Magazine, Vol. 09 Or, Flower-Garden Displayed
Curtis, William
315 Gutenberg downloadsen2011Difficulty 58 (Graduate)
Uit den Indischen Archipel De Aarde en haar volken, Jaargang 1875
Wallace, Alfred Russel
315 Gutenberg downloadsnl2015
Coloured engravings of heaths; vol. 1
Andrews, Henry Cranke, active 1799-1828
314 Gutenberg downloadsen2023Difficulty 60 (Graduate)
Geographic Variation in Red-backed Mice (Genus Clethrionomys) of the Southern Rocky Mountain Region
Cockrum, E. Lendell & Fitch, Kenneth Leonard
314 Gutenberg downloadsen2010Difficulty 53 (Graduate)
Illustrations of the birds of Jamaica
Gosse, Philip Henry
314 Gutenberg downloadsen2024Difficulty 48 (College)
Making a Poultry House
Conover, Mary Roberts
314 Gutenberg downloadsen2013Difficulty 51 (Graduate)
Pflanzenleben in Feld und Garten
Buckley, Arabella B. (Arabella Burton)
314 Gutenberg downloadsde2022
The Rural Magazine, and Literary Evening Fire-Side, Vol. 1 No. 05 (1820)
Various
314 Gutenberg downloadsen2015Difficulty 62 (Academic)
Am Teich- und Flußufer
Buckley, Arabella B. (Arabella Burton)
313 Gutenberg downloadsde2022
Boy bird house architecture
Baxter, Leon H. (Leon Harold)
313 Gutenberg downloadsen2025Difficulty 52 (Graduate)
Dell'arte dei giardini inglesi
Silva, Ercole
313 Gutenberg downloadsit2018
Führer für Pilzfreunde
Michael, Edmund
313 Gutenberg downloadsde2010
The botanist's repository for new and rare plants; vol. 07 [of 10]
Andrews, Henry Cranke, active 1799-1828
313 Gutenberg downloadsen2024Difficulty 57 (Graduate)
The Living Museum, Vol. XV No. 6, October 1953
Various
313 Gutenberg downloadsen2020Difficulty 57 (Graduate)
The Mentor: Game Animals of America, Vol. 4, Num. 13, Serial No. 113, August 15, 1916
Hornaday, William T. (William Temple)
313 Gutenberg downloadsen2015Difficulty 53 (Graduate)
Zonder geweer op jacht
Long, William J. (William Joseph)
313 Gutenberg downloadsnl2025
Bees from British Guiana Bulletin of the AMNH, Vol. XXXVIII, Art. XX, pp. 685-690
Cockerell, Theodore D. A. (Theodore Dru Alison)
312 Gutenberg downloadsen2010Difficulty 55 (Graduate)
Birds and Nature, Vol. 10 No. 4 [November 1901]
Various
312 Gutenberg downloadsen2015Difficulty 38 (High School)
Hints on Bobcat Trapping
Young, Stanley Paul
312 Gutenberg downloadsen2015Difficulty 52 (Graduate)
Muskrat City
Abbott, Henry
312 Gutenberg downloadsen2010Difficulty 43 (College)
My Literary Zoo
Sanborn, Kate
312 Gutenberg downloadsen2020Difficulty 48 (College)
Big Bend National Park: Land of Dramatic Contrasts and Scenic Grandeur
Scott, W. Ray
311 Gutenberg downloadsen2020Difficulty 59 (Graduate)
Het paard : $b in zijne natuurlijke ontwikkeling
Bölsche, Wilhelm
311 Gutenberg downloadsnl2025
The hermit thrush
Mathews, F. Schuyler (Ferdinand Schuyler)
311 Gutenberg downloadsen2023Difficulty 75 (Expert)
Chiricahua National Monument (1958)
United States. National Park Service
310 Gutenberg downloadsen2019Difficulty 61 (Academic)
Shrubs for Kansas Landscapes
McDaniel, Gary L.
310 Gutenberg downloadsen2020Difficulty 73 (Expert)
The Birds of Australia, Vol. 4 of 7
Gould, John
310 Gutenberg downloadsen2019Difficulty 64 (Academic)
Coloured engravings of heaths; vol. 4
Andrews, Henry Cranke, active 1799-1828
309 Gutenberg downloadsen2023Difficulty 60 (Graduate)
Het Yellowstone-Park
Vries, Hugo de
309 Gutenberg downloadsnl2016
Hints on Wolf and Coyote Trapping
Young, Stanley Paul
309 Gutenberg downloadsen2014Difficulty 53 (Graduate)
A New Species of Frog (Genus Tomodactylus) from Western México
Webb, Robert G. (Robert Gravem)
308 Gutenberg downloadsen2010Difficulty 62 (Academic)
Camping at Cherry Pond
Abbott, Henry
308 Gutenberg downloadsen2010Difficulty 43 (College)
Estes Park, Colorado
Estes Park Chamber of Commerce
308 Gutenberg downloadsen2019Difficulty 53 (Graduate)
Geographic Variation in the North American Cyprinid Fish, Hybopsis gracilis
Olund, Leonard J. & Cross, Frank B. (Frank Bernard)
308 Gutenberg downloadsen2011Difficulty 57 (Graduate)
Notes on the Mammals of Gogebic and Ontonagon Counties, Michigan, 1920 Occasional Papers of the Museum of Zoology, Number 109
Dice, Lee R. (Lee Raymond) & Sherman, Harley Bakwel
308 Gutenberg downloadsen2011Difficulty 54 (Graduate)
Birds of the National Parks in Hawaii
Dunmire, William W.
307 Gutenberg downloadsen2019Difficulty 55 (Graduate)
Comments on the Taxonomy and Geographic Distribution of Some North American Rabbits
Hall, E. Raymond (Eugene Raymond) & Kelson, Keith R.
307 Gutenberg downloadsen2009Difficulty 58 (Graduate)
Old Sports and Sportsmen; or, the Willey Country with sketches of Squire Forester and his whipper-in Tom Moody
Randall, John
307 Gutenberg downloadsen2020Difficulty 68 (Academic)
Poro-kirja
Kianto, Ilmari
307 Gutenberg downloadsfi2017
Seventeen Species of Bats Recorded from Barro Colorado Island, Panama Canal Zone
Hall, E. Raymond (Eugene Raymond) & Jackson, William B.
307 Gutenberg downloadsen2009Difficulty 49 (College)
Van de Noordpool naar den Aequator: Blikken in het groote rijk der schepping
Brehm, Alfred Edmund
307 Gutenberg downloadsnl2021
A Breeze from the Woods, 2nd Ed.
Bartlett, W. C. (William Chauncey)
306 Gutenberg downloadsen2012Difficulty 44 (College)
A New Pocket Mouse (Genus Perognathus) from Kansas
Cockrum, E. Lendell
306 Gutenberg downloadsen2010Difficulty 51 (Graduate)
Anweisung zum Weinbau an Gebäuden, Mauern, Lauben und Bäumen Herausgegeben zu Ermunterung der Kinder zu edler Thätigkeit
Bornemann, Johann Gottfried
306 Gutenberg downloadsde2016
Het Leven der Dieren: Deel 2, Hoofdstuk 02: De Papegaaien; Hoofdstuk 03: De Duifvogels
Brehm, Alfred Edmund
306 Gutenberg downloadsnl2009
Noteworthy Mammals from Sinaloa, Mexico
Jones, J. Knox & Alvarez, Ticul & Lee, M. Raymond
306 Gutenberg downloadsen2010Difficulty 52 (Graduate)
The O. S. U. Naturalist, Vol. 1, No. 2, December, 1900
Ohio State University. Biological Club
306 Gutenberg downloadsen2023Difficulty 52 (Graduate)
Birds and Nature Vol. 09 No. 1 [January 1901]
Various
305 Gutenberg downloadsen2014Difficulty 51 (Graduate)
House Flies
Howard, L. O. (Leland Ossian)
305 Gutenberg downloadsen2019Difficulty 56 (Graduate)
Mammals Collected by Dr. W. L. Abbott on the Natuna Islands Proceedings of the Washington Academy of Sciences, Vol. III, pp. 111-138
Miller, Gerrit S. (Gerrit Smith)
305 Gutenberg downloadsen2014Difficulty 54 (Graduate)
Report on the New York Botanical Garden
Olmsted Brothers
305 Gutenberg downloadsen2022Difficulty 77 (Expert)
Sertum Anglicum, seu, Plantae Rariores quae in Hortis Juxta Londinum Imprimis in Horto Regio Kewensi excoluntur, ab anno 1786 ad annum 1787 observata
L'Héritier de Brutelle, Charles Louis
305 Gutenberg downloadsla2012
A Check-List of the Birds of Idaho
Arvey, M. Dale (Martin Dale)
304 Gutenberg downloadsen2011Difficulty 55 (Graduate)
Fauna der Nassauischen Mollusken
Kobelt, Wilhelm
304 Gutenberg downloadsde2015
Rainbow Bridge National Monument, Utah (1951)
United States. National Park Service
304 Gutenberg downloadsen2019Difficulty 55 (Graduate)
Some Historic Trees
Public Library of Fort Wayne and Allen County
304 Gutenberg downloadsen2021Difficulty 52 (Graduate)
A Manual of Bird Study A Description of Twenty-Five Local Birds with Study Options
Carr, William H. (William Henry)
303 Gutenberg downloadsen2018Difficulty 43 (College)
Pipestone National Monument: Junior Ranger Activity Booklet, Ages 8 and Up
United States. National Park Service
303 Gutenberg downloadsen2020Difficulty 54 (Graduate)
Subspeciation in the Meadow Mouse, Microtus montanus, in Wyoming and Colorado
Anderson, Sydney
303 Gutenberg downloadsen2010Difficulty 50 (College)
Suomen maan Meripedot: maalikuvilla selitetyt
Eurén, Gustaf Erik
303 Gutenberg downloadsfi2005
The O. S. U. Naturalist, Vol. 1, No. 1, November, 1900
Ohio State University. Biological Club
303 Gutenberg downloadsen2017Difficulty 56 (Graduate)
White Sox, the story of the reindeer in Alaska
Lopp, William Thomas
303 Gutenberg downloadsen2023Difficulty 34 (High School)
Bob: The Story of Our Mocking-bird
Lanier, Sidney
302 Gutenberg downloadsen2015Difficulty 51 (Graduate)
Chambers's Journal of Popular Literature, Science, and Art, Fifth Series, No. 31, Vol. I, August 2, 1884
Various
302 Gutenberg downloadsen2021Difficulty 55 (Graduate)
Mehiläisten elämä
Maeterlinck, Maurice
302 Gutenberg downloadsfi2004
Op de jacht in Mozambique De Aarde en haar Volken, 1909
Vasse, Guillaume
302 Gutenberg downloadsnl2005
A Northern Countryside
Richards, Rosalind
301 Gutenberg downloadsen2011Difficulty 49 (College)
Autobiography of Matthew Scott, Jumbo's Keeper; Also Jumbo's Biography, by the same Author
Scott, Matthew
301 Gutenberg downloadsen2015Difficulty 47 (College)
Camping with President Roosevelt
Burroughs, John
301 Gutenberg downloadsen2009Difficulty 47 (College)
Taxonomy of the Chipmunks, Eutamias quadrivittatus and Eutamias umbrinus
White, John A.
301 Gutenberg downloadsen2010Difficulty 54 (Graduate)
The Geologic Setting of the John Day Country: Grant County, Oregon
Thayer, Thomas P.
301 Gutenberg downloadsen2014Difficulty 54 (Graduate)
A New Pocket Gopher (Genus Thomomys) From Wyoming and Colorado
Hall, E. Raymond (Eugene Raymond)
300 Gutenberg downloadsen2010Difficulty 51 (Graduate)
Boschgeheimen
Long, William J. (William Joseph)
300 Gutenberg downloadsnl2019
Petrified Forest National Monument (1953)
United States. National Park Service
300 Gutenberg downloadsen2019Difficulty 57 (Graduate)
The Fern Bulletin, October 1903 A Quarterly Devoted to Ferns
Various
300 Gutenberg downloadsen2018Difficulty 50 (College)
The Girl's Own Paper, Vol. XX, No. 1017, June 24, 1899
Various
300 Gutenberg downloadsen2020Difficulty 47 (College)
The Rural Magazine, and Literary Evening Fire-Side, Vol. 1 No. 06 (1820)
Various
300 Gutenberg downloadsen2015Difficulty 62 (Academic)
The Western Cowboy and Arabians in the Rockies
Trinidad Bean & Elevator Company
300 Gutenberg downloadsen2020Difficulty 49 (College)
Tiere und Pflanzen in Wald und Feld
Buckley, Arabella B. (Arabella Burton)
300 Gutenberg downloadsde2019
A Short History of Birds & Beasts, for the Amusement and Instruction of Children
Anonymous
299 Gutenberg downloadsen2019Difficulty 43 (College)
Mein buntes Buch: Naturschilderungen
Löns, Hermann
299 Gutenberg downloadsde2015
Chambers's Journal of Popular Literature, Science, and Art, Fifth Series, No. 46, Vol. I, November 15, 1884
Various
297 Gutenberg downloadsen2021Difficulty 56 (Graduate)
Burton Island State Park: Guide to the Interpretive Nature Trail and Hiking Trail
Antil, Stephen
296 Gutenberg downloadsen2019Difficulty 47 (College)
Camps and Trails
Abbott, Henry
296 Gutenberg downloadsen2010Difficulty 44 (College)
Landesverein Sächsischer Heimatschutz — Mitteilungen Band XIII, Heft 3-4 : $b Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege
Unknown
296 Gutenberg downloadsde2023
Pliocene and Pleistocene Records of Fossil Turtles from Western Kansas and Oklahoma University of Kansas Publications Museum of Natural History Volume 1
Galbreath, Edwin C. (Edwin Carter)
296 Gutenberg downloadsen2010Difficulty 60 (Graduate)
Two New Pocket Gophers from Wyoming and Colorado
Hall, E. Raymond (Eugene Raymond) & Montague, H. Gordon
296 Gutenberg downloadsen2009Difficulty 51 (Graduate)
Bird studies with a camera : $b with introductory chapters on the outfit and methods of the bird photographer
Chapman, Frank M. (Frank Michler)
295 Gutenberg downloadsen2025Difficulty 50 (College)
Lost Pond
Abbott, Henry
295 Gutenberg downloadsen2010Difficulty 45 (College)
A New Pocket Gopher (Genus Thomomys), from Eastern Colorado
Hall, E. Raymond (Eugene Raymond)
294 Gutenberg downloadsen2011Difficulty 60 (Graduate)
Het Boschvolkje
Long, William J. (William Joseph)
294 Gutenberg downloadsnl2020
Het Leven der Dieren: Deel 3.8, De Stekelhuidigen, Plantdieren en Sponsen
Brehm, Alfred Edmund
294 Gutenberg downloadsnl2020
Birds and All Nature, Vol. 3, No. 3, March 1898 Illustrated by Color Photography
Various
293 Gutenberg downloadsen2014Difficulty 43 (College)
Bucolic Beatitudes
Jenkins, MacGregor
293 Gutenberg downloadsen2023Difficulty 49 (College)
Descriptions of Two Species of Frogs, Genus Ptychohyla Studies of American Hylid Frogs, V
Duellman, William Edward
293 Gutenberg downloadsen2010Difficulty 59 (Graduate)
In sloot en plas
Heimans, Eli & Thijsse, Jac. P. (Jacobus Pieter)
293 Gutenberg downloadsnl2022
The heathery; or, A monograph of the genus Erica. vol. 4
Andrews, Henry Cranke, active 1799-1828
293 Gutenberg downloadsen2023Difficulty 56 (Graduate)
The Systematic Status of Eumeces pluvialis Cope
Smith, Hobart M. (Hobart Muir)
293 Gutenberg downloadsen2011Difficulty 60 (Graduate)
Het Leven der Dieren, Deel 3, Hoofdstuk 6: De Wormen
Brehm, Alfred Edmund
292 Gutenberg downloadsnl2020
Raubwild und Dickhäuter in Deutsch-Ostafrika
Besser, Hans
292 Gutenberg downloadsde2025
The Hawkeye Ornithologist and Oologist. Vol. 1. No. 4 April 1888
Various
292 Gutenberg downloadsen2019Difficulty 45 (College)
A New Long-eared Myotis (Myotis evotis) From Northeastern Mexico
Baker, Rollin H. (Rollin Harold) & Stains, Howard J.
291 Gutenberg downloadsen2010Difficulty 54 (Graduate)
Punakettu: Kertomus sen seikkailurikkaasta elämästä
Roberts, Charles G. D., Sir
291 Gutenberg downloadsfi2021
The heathery; or, A monograph of the genus Erica. vol. 2
Andrews, Henry Cranke, active 1799-1828
291 Gutenberg downloadsen2023Difficulty 54 (Graduate)
The heathery; or, A monograph of the genus Erica. vol. 5
Andrews, Henry Cranke, active 1799-1828
291 Gutenberg downloadsen2023Difficulty 56 (Graduate)
The King of the Mamozekel
Roberts, Charles G. D., Sir
291 Gutenberg downloadsen2021Difficulty 47 (College)
Biscayne Bay, Dade Co., Florida, Between the 25th and 26th Degrees of Latitude. A complete manual of information concerning the climate, soil, products, etc., of the lands bordering on Biscayne Bay, in Florida.
Unknown
290 Gutenberg downloadsen2015Difficulty 49 (College)
Devils Tower National Monument, Wyoming (1949)
United States. National Park Service
290 Gutenberg downloadsen2019Difficulty 60 (Graduate)
How To Have Bird Neighbors
Patteson, S. Louise (Susanna Louise)
290 Gutenberg downloadsen2021Difficulty 35 (High School)
Woodbine-Arbor; or, The Little Gardeners: A Story of a Happy Childhood
Anonymous
290 Gutenberg downloadsen2012Difficulty 53 (Graduate)
Zakflora voor Suriname [Deel I] Bulletin van het Koloniaal Museum te Haarlem No. 47.
Pulle, A. A. (August Adriaan)
290 Gutenberg downloadsnl2017
Het Leven der Dieren: Hoofdstuk 7: De Pluviervogels
Brehm, Alfred Edmund
289 Gutenberg downloadsnl2010
The Irish Penny Journal, Vol. 1 No. 47, May 22, 1841
Various
289 Gutenberg downloadsen2017Difficulty 49 (College)
The Ohio Naturalist, Vol. II, No. 1, November, 1901
Ohio State University. Biological Club
289 Gutenberg downloadsen2023Difficulty 53 (Graduate)
Landesverein Sächsischer Heimatschutz — Mitteilungen Band XV, Heft 7–10 : $b Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege
Unknown
288 Gutenberg downloadsde2025
The Pocket Gophers (Genus Thomomys) of Utah University of Kansas Publications, Museum of Natural History, Vol. 1 No. 1
Durrant, Stephen David
288 Gutenberg downloadsen2012Difficulty 57 (Graduate)
Chambers's Journal of Popular Literature, Science, and Art, fifth series, no. 137, vol. III, August 14, 1886
Various
287 Gutenberg downloadsen2024Difficulty 55 (Graduate)
De honig en zijn gebruik
Rondou, W.-F.
287 Gutenberg downloadsnl2008
In the Christmas Woods Being the introductory essay of a series on observations of nature through the year
Knapp, Adeline
287 Gutenberg downloadsen2020Difficulty 48 (College)
Landesverein Sächsischer Heimatschutz — Mitteilungen Band XIII, Heft 11-12 : $b Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege
Unknown
287 Gutenberg downloadsde2024
Mammals from Southeastern Alaska
Baker, Rollin H. (Rollin Harold) & Findley, James S. (James Smith)
287 Gutenberg downloadsen2010Difficulty 57 (Graduate)
Mammals from Tamaulipas, Mexico
Baker, Rollin H. (Rollin Harold)
287 Gutenberg downloadsen2010Difficulty 55 (Graduate)
Street Trees
Mulford, Furman Lloyd
287 Gutenberg downloadsen2020Difficulty 57 (Graduate)
The Saturday Magazine, No. 65, July 6th, 1833
Various
287 Gutenberg downloadsen2014Difficulty 65 (Academic)
Introduction to our bird friends, volume 2
Carson, L. B. (Lenwood Ballard)
285 Gutenberg downloadsen2020Difficulty 47 (College)
The American Bee Journal. Vol. XVII, No. 12, Mar. 23, 1881
Various
285 Gutenberg downloadsen2019Difficulty 54 (Graduate)
Three New Beavers from Utah
Durrant, Stephen David & Crane, Harold S. (Harold Samuel)
285 Gutenberg downloadsen2010Difficulty 61 (Academic)
With Rod and Line in Colorado Waters
France, Lewis B.
285 Gutenberg downloadsen2014Difficulty 46 (College)
Natural History of the Brush Mouse (Peromyscus boylii) in Kansas With Description of a New Subspecies
Long, Charles Alan
284 Gutenberg downloadsen2010Difficulty 51 (Graduate)
Tadarida femorosacca (Merriam) in Tamaulipas, Mexico
Dalquest, Walter Woelber & Hall, E. Raymond (Eugene Raymond)
284 Gutenberg downloadsen2010Difficulty 53 (Graduate)
The Geology of D.A.R. State Park, Mt. Philo State Forest Park, Sand Bar State Park
Dodge, Harry W.
284 Gutenberg downloadsen2019Difficulty 52 (Graduate)
The penny magazine of the Society for the Diffusion of Useful Knowledge, issue 2, April 7, 1832
Unknown
284 Gutenberg downloadsen2025Difficulty 56 (Graduate)
Through Mountains and Canyons - The Canadian Rockies
Unknown
284 Gutenberg downloadsen2011Difficulty 82 (Specialist)
Um brado contra as monterias de cerco aos Lobos na Provincia do Alemtejo
Mira, José Paulo de
284 Gutenberg downloadspt2009
A New Bat (Genus Myotis) From Mexico
Dalquest, Walter Woelber & Hall, E. Raymond (Eugene Raymond)
283 Gutenberg downloadsen2010Difficulty 57 (Graduate)
A New Tortoise, Genus Gopherus, From North-central Mexico
Legler, John M.
283 Gutenberg downloadsen2010Difficulty 62 (Academic)
A Visit to the Mammoth Cave of Kentucky
Wilson, John
283 Gutenberg downloadsen2016Difficulty 52 (Graduate)
Bellingrath Gardens, Mobile, Alabama
Anonymous
283 Gutenberg downloadsen2019Difficulty 63 (Academic)
Determining the Age of Cattle by the Teeth
Pope, George W. (George Whitfield)
283 Gutenberg downloadsen2008Difficulty 52 (Graduate)
The Geology of Groton State Forest
Christman, Robert A. (Robert Adam)
283 Gutenberg downloadsen2019Difficulty 57 (Graduate)
The little book of British quadrupeds
May, W.
283 Gutenberg downloadsen2024Difficulty 44 (College)
Chambers's Journal of Popular Literature, Science, and Art, Fifth Series, No. 18, Vol. I, May 3, 1884
Various
282 Gutenberg downloadsen2021Difficulty 48 (College)
Wasserjungfern: Geschichten von Sommerboten und Sonnenkündern
Löns, Hermann
282 Gutenberg downloadsde2015
Winter Butterflies in Bolinas
Barber, Mary D.
282 Gutenberg downloadsen2021Difficulty 53 (Graduate)
A New Bog Lemming (Genus Synaptomys) From Nebraska
Jones, J. Knox
281 Gutenberg downloadsen2010Difficulty 62 (Academic)
Guide to the Norris Geyser Basin
Algard, George A.
281 Gutenberg downloadsen2021Difficulty 56 (Graduate)
Handboek voor Bijenhouders
Dirks, J.
281 Gutenberg downloadsnl2010
Landesverein Sächsischer Heimatschutz — Mitteilungen Band XV, Heft 5-6 : $b Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege
Unknown
281 Gutenberg downloadsde2025
Schetsen uit de Dierenwereld
Elliot, Daniel Giraud
281 Gutenberg downloadsnl2017
Straußenpolitik : $b Neue Tierfabeln
Zell, Th. (Theodor)
281 Gutenberg downloadsde2025
A New Chipmunk (Genus Eutamias) from the Black Hills
White, John A.
280 Gutenberg downloadsen2010Difficulty 54 (Graduate)
Blonde duinen
Thijsse, Jac. P. (Jacobus Pieter)
280 Gutenberg downloadsnl2025
Le Troupeau d'Aristée
Tailhade, Laurent
280 Gutenberg downloadsfr2020
The Ohio Naturalist, Vol. I, No. 7, May, 1901
Ohio State University. Biological Club
280 Gutenberg downloadsen2023Difficulty 51 (Graduate)
A New Piñon Mouse (Peromyscus truei) from Durango, Mexico
Finley, Robert B.
279 Gutenberg downloadsen2010Difficulty 57 (Graduate)
A New Pocket Gopher (Thomomys) and A New Spiny Pocket Mouse (Liomys) from Michoacán, Mexico
Hall, E. Raymond (Eugene Raymond) & Villa Ramírez, Bernardo
279 Gutenberg downloadsen2010Difficulty 60 (Graduate)
In Touch with Nature: Tales and Sketches from the Life
Stables, Gordon
279 Gutenberg downloadsen2011Difficulty 42 (College)
»Meine Brüder im stillen Busch, in Luft und Wasser«
Braess, Martin
279 Gutenberg downloadsde2020
A New Bat (Genus Pipistrellus) from Northeastern Mexico
Baker, Rollin H. (Rollin Harold)
278 Gutenberg downloadsen2010Difficulty 57 (Graduate)
Geographic Distribution of the Pocket Mouse, Perognathus fasciatus
Jones, J. Knox
278 Gutenberg downloadsen2010Difficulty 58 (Graduate)
La espressione dei sentimenti dei nostri volatili domestici
Pascal, Teodoro
278 Gutenberg downloadsit2017
Billy and Hans, My Squirrel Friends: A True History
Stillman, William James
277 Gutenberg downloadsen2020Difficulty 62 (Academic)
Distribution of Some Nebraskan Mammals
Jones, J. Knox
277 Gutenberg downloadsen2010Difficulty 54 (Graduate)
Pleistocene Soricidae from San Josecito Cave, Nuevo Leon, Mexico
Findley, James S. (James Smith)
277 Gutenberg downloadsen2010Difficulty 58 (Graduate)
An Annotated Checklist of Nebraskan Bats
Webb, Olin L. & Jones, J. Knox
276 Gutenberg downloadsen2010Difficulty 55 (Graduate)
The Fern Bulletin, April 1912 A Quarterly Devoted to Ferns
Various
276 Gutenberg downloadsen2018Difficulty 52 (Graduate)
The Iowa Ornithologist, Volume 2, No. 2, January 1896 For the Student of Birds
Various
276 Gutenberg downloadsen2020Difficulty 49 (College)
An Alphabet of Quadrupeds Comprising descriptions of their appearance and habits
Anonymous
275 Gutenberg downloadsen2012Difficulty 41 (College)
De Bonte Wei
Thijsse, Jac. P. (Jacobus Pieter)
275 Gutenberg downloadsnl2020
Descriptions of Three New Birds from the Belgian Congo Bulletin of the AMNH , Vol. XXXIV, Art. XVI, pp. 509-513, Oct. 20th, 1915
Chapin, James Paul
275 Gutenberg downloadsen2010Difficulty 49 (College)
Geographic Variation in the Pocket Gopher, Cratogeomys castanops, in Coahuila, México
Russell, Robert J. & Baker, Rollin H. (Rollin Harold)
275 Gutenberg downloadsen2010Difficulty 64 (Academic)
Muistelmia hyönteismaailmasta: Kuvauksia hyönteisten tavoista ja vaistosta
Fabre, Jean-Henri
275 Gutenberg downloadsfi2021
Waar mensch en tijger buren zijn
Westenenk, L. C. (Louis Constant)
275 Gutenberg downloadsnl2024
Säugethiere vom Celebes- und Philippinen-Archipel
Meyer, Adolf Bernhard
274 Gutenberg downloadsde2023
Beknopte handleiding voor eigenaars van kleine tuinen
Witte, Henrick
273 Gutenberg downloadsnl2010
Taxonomy and Distribution of Some American Shrews
Findley, James S. (James Smith)
273 Gutenberg downloadsen2010Difficulty 55 (Graduate)
The Ohio naturalist, Vol. I, No. 6, April, 1901
Ohio State University. Biological Club
273 Gutenberg downloadsen2023Difficulty 56 (Graduate)
Le Sud-Oranais: études floristiques et phytogéographiques faites au cours d'une exploration dans le Sud-Ouest de l'Algérie en 1901
Hochreutiner, B. P. G. (Bénédict Pierre Georges)
272 Gutenberg downloadsfr2025
Notes on Diseases of the Horse: Cause, Symptoms and Treatment
Korinek, Charles James
272 Gutenberg downloadsen2020Difficulty 53 (Graduate)
The Bee Keeper's Guide, Fourth Edition Containing concise practical directions for the management of bees, upon the depriving system
Payne, J. H.
272 Gutenberg downloadsen2022Difficulty 63 (Academic)
Het Leven der Dieren, Deel 3, Hoofdstuk 5: De Spinachtigen
Brehm, Alfred Edmund
271 Gutenberg downloadsnl2020
O Oraculo do Passado, do presente e do Futuro (4/7) Parte Quarta: O oraculo das Flores
Serrano, Bento
271 Gutenberg downloadspt2010
The Bay State Oologist, Vol. 1 No. 4, April 1888 A Monthly Magazine Devoted to the Study of Birds, their Nests and Eggs
Various
271 Gutenberg downloadsen2018Difficulty 43 (College)
Essays on horse subjects
Grenside, F. C. (Frederick Clement)
270 Gutenberg downloadsen2025Difficulty 59 (Graduate)
Grand Teton National Park, Wyoming (1952)
United States. National Park Service
270 Gutenberg downloadsen2019Difficulty 54 (Graduate)
Landesverein Sächsischer Heimatschutz — Mitteilungen Band X, Heft 1-3 : $b Monatsschrift für Heimatschutz und Denkmalpflege
Unknown
270 Gutenberg downloadsde2021
Texel
Thijsse, Jac. P. (Jacobus Pieter)
270 Gutenberg downloadsnl2025
Two New Moles (Genus Scalopus) from Mexico and Texas
Baker, Rollin H. (Rollin Harold)
270 Gutenberg downloadsen2010Difficulty 56 (Graduate)
Genera of Leptodactylid Frogs in México
Lynch, John D.
269 Gutenberg downloadsen2010Difficulty 74 (Expert)
The Canadian Entomologist, Vol. XII., No. 2, February 1880
Various
269 Gutenberg downloadsen2018Difficulty 47 (College)
The Journal of the Maine Ornithological Society, Vol. XI. No. 2
Various
269 Gutenberg downloadsen2019Difficulty 45 (College)
The Ohio Naturalist, Vol. 1, No. 5, March, 1901
Ohio State University. Biological Club
269 Gutenberg downloadsen2023Difficulty 53 (Graduate)
A New Subspecies of Bat (Myotis velifer) from Southeastern California and Arizona
Vaughan, Terry A.
268 Gutenberg downloadsen2010Difficulty 56 (Graduate)
A New Subspecies of Microtus montanus from Montana and Comments on Microtus canicaudus Miller
Hall, E. Raymond (Eugene Raymond) & Kelson, Keith R.
268 Gutenberg downloadsen2009Difficulty 58 (Graduate)
Prodromus Florae Norfolkicae Sive, Catalogus stirpium quae in insula Norfolk annis 1804 et 1805 a Ferdinando Bauer collectae et depictae, nunc in Museo caesareo palatino rerum naturalium Vindobonae servantur
Endlicher, Stephan
268 Gutenberg downloadsla2012
Young Folks' Nature Field Book
Loring, J. Alden (John Alden)
268 Gutenberg downloadsen2020Difficulty 52 (Graduate)
The Ornithologist and Oölogist. Vol. VIII No. 3, March 1883 Birds: Their Nests and Eggs
Various
267 Gutenberg downloadsen2019Difficulty 42 (College)
The Sunny South Oölogist. Vol. 1, No. 2
Various
267 Gutenberg downloadsen2019Difficulty 48 (College)
The Frozen North
Mayde, Richard
266 Gutenberg downloadsen2018Difficulty 47 (College)
A New Subspecies of Wood Rat (Neotoma mexicana) from Colorado
Finley, Robert B.
265 Gutenberg downloadsen2010Difficulty 60 (Graduate)
Het Leven der Dieren: Deel 2, Hoofdstuk 11 tot 14: Hoenderkoeten; Nandoes; Kasuarisvogels; Struisen; Hagedisvogels
Brehm, Alfred Edmund
265 Gutenberg downloadsnl2012
Het verhaal van de honingbij
Edwardes, Tickner
264 Gutenberg downloadsnl2009
Bekentenissen van een strandvonder: Het leven op mijn tropisch eiland
Banfield, E. J. (Edmund James)
263 Gutenberg downloadsnl2014
Matkustus Brasiliassa: Kuvaus luonnosta ja kansoista Brasiliasta
Vainio, Edv. A. (Edvard August)
263 Gutenberg downloadsfi2015
A New Species of Wood Rat (Neotoma) from Northeastern Mexico
Alvarez, Ticul
261 Gutenberg downloadsen2011Difficulty 54 (Graduate)
Luonnon-kirja: Ala-alkeiskouluin tarpeiksi
Topelius, Zacharias
259 Gutenberg downloadsfi2017
Vasárnapi Könyv. 1914. Első félév 15. füzet
Various
259 Gutenberg downloadshu2009
Island Trail at Walnut Canyon Walnut Canyon National Monument
Southwestern Monuments Association
258 Gutenberg downloadsen2019Difficulty 50 (College)
The American Bee-Keeper, Vol. II, Number 3, March, 1892
Various
257 Gutenberg downloadsen2018Difficulty 47 (College)
Extensions of Known Ranges of Mexican Bats
Anderson, Sydney
255 Gutenberg downloadsen2010Difficulty 53 (Graduate)
Het Leven der Dieren: Deel 2, Hoofdstuk 05: De Ralvogels; Hoofdstuk 06: De Kraanvogels
Brehm, Alfred Edmund
255 Gutenberg downloadsnl2009
The South Isles of Aran (County Galway)
Burke, Oliver J. (Oliver Joseph)
255 Gutenberg downloadsen2011Difficulty 59 (Graduate)
Het Eiland Urk: Zijn Bodem, voortbrengselen en bewoners
Harting, Pieter
254 Gutenberg downloadsnl2013
A New Subspecies of Pocket Mouse from Kansas
Hall, E. Raymond (Eugene Raymond)
251 Gutenberg downloadsen2010Difficulty 57 (Graduate)
De Rariorum Animalium atque Stirpium Historia
Caius, John
251 Gutenberg downloadsla2008
A New Snake of the Genus Geophis From Chihuahua, Mexico
Legler, John M.
250 Gutenberg downloadsen2010Difficulty 63 (Academic)
A New Subspecies of Ground Squirrel (Spermophilus spilosoma) from Tamaulipas, Mexico
Alvarez, Ticul
250 Gutenberg downloadsen2011Difficulty 64 (Academic)
De Plantis Esculentis Insularum Oceani Australis Commentatio Botanica
Forster, Georg
250 Gutenberg downloadsla2011
Lente
Thijsse, Jac. P. (Jacobus Pieter)
250 Gutenberg downloadsnl2022
Neotropical Bats from Western México
Anderson, Sydney
249 Gutenberg downloadsen2010Difficulty 53 (Graduate)
A New Species of Pocket Gopher (Genus Pappogeomys) From Jalisco, México
Russell, Robert J.
246 Gutenberg downloadsen2010Difficulty 60 (Graduate)
Het Leven der Dieren. Deel 3, Hoofdstuk 5: De Amphibiën
Brehm, Alfred Edmund
246 Gutenberg downloadsnl2014
Naturgeschichte des Fasans : $b Ein Auszug aus den Schriften der bewährtesten Naturforscher
Anonymous
245 Gutenberg downloadsde2023
Korven kulkuri : $b Lukuja luonnon kirjasta
Roberts, Charles G. D., Sir
244 Gutenberg downloadsfi2023
A New Subspecies of Slider Turtle (Pseudemys scripta) from Coahuila, México
Legler, John M.
242 Gutenberg downloadsen2010Difficulty 60 (Graduate)
Metsolassa
Hynninen, Oskari
242 Gutenberg downloadsfi2023
Kardinaalin laulu: Kertomus lintumaailmasta
Stratton-Porter, Gene
241 Gutenberg downloadsfi2021
Palm Sunday; or, Little Mary's Saturday's walk
Callcott, Maria, Lady
240 Gutenberg downloadsen2021Difficulty 44 (College)
Els aucells més útils a la agricultura de Catalunya
Tarré, Emili
239 Gutenberg downloadsca2024
Go to Cromer
Anonymous
239 Gutenberg downloadsen2018Difficulty 62 (Academic)
Het Leven der Dieren: Deel 2, Hoofdstuk 10: De Stootvogels
Brehm, Alfred Edmund
238 Gutenberg downloadsnl2012
Le livree dei nostri volatili domestici in rapporto allo sport, alla produttività ed alla rusticità
Pascal, Teodoro
238 Gutenberg downloadsit2019
Abrégé de l'Histoire Générale des Voyages (Tome 4)
La Harpe, Jean-François de
236 Gutenberg downloadsfr2011
Een acht en twintigtal voorwerpen uit de natuurlijke geschiedenis, geschikt voor rederijkers- & nutsvoordrachten, in den trant van de gedichten van den schoolmeester, met een aanbevelend woord van wijlen Mr. J. Van Lennep
Ribbius, Gerlacus
236 Gutenberg downloadsnl2010
Saloilta ja vesiltä: Luonnonkertomuksia
Nuutinen, Aaro A. (Aaro August)
235 Gutenberg downloadsfi2020
Pflege und Zucht der Zwergpapageien und Sittiche Kurze Anleitung zur Behandlung und Pflege
Bungartz, Jean
232 Gutenberg downloadsde2013
Reminiscences of Epping Forest
Unknown
232 Gutenberg downloadsen2016Difficulty 66 (Academic)
Het Geldersch Byenboek of pratyk der byen, langs den kant der Maes, Peel en Niers, in het overkwartier van Gelderland
Hendrix, Petrus
231 Gutenberg downloadsnl2009
Subspeciation in the Meadow Mouse, Microtus pennsylvanicus, in Wyoming, Colorado, and Adjacent Areas
Anderson, Sydney
230 Gutenberg downloadsen2010Difficulty 61 (Academic)
Metsän koululaiset
Long, William J. (William Joseph)
227 Gutenberg downloadsfi2025
Talon-Pojan Sää- eli Ilma-Kirja
Anonymous
225 Gutenberg downloadsfi2024
The Pigmy Woodrat, Neotoma goldmani, Its Distribution and Systematic Position
Rainey, Dennis G. & Baker, Rollin H. (Rollin Harold)
225 Gutenberg downloadsen2010Difficulty 61 (Academic)
Risto setän kirjeet, lasten hyödyksi
Gumpert, Thekla von
219 Gutenberg downloadsfi2020
Luonnon ihmeitä
Joutsen, O. A. (Otto Aleksanteri)
217 Gutenberg downloadsfi2023
Het Leven der Dieren: Hoofdstuk 8: De Vinduikers; Hoofdstuk 9: de Stormvogels
Brehm, Alfred Edmund
216 Gutenberg downloadsnl2010
Kuvia Raja-Karjalasta
Hainari, O. A. (Oskar Adolf)
216 Gutenberg downloadsfi2024
Het leven der bijen
Maeterlinck, Maurice
212 Gutenberg downloadsnl2012
Eläinden Tauti-Kirja
Ganander, Christfrid
210 Gutenberg downloadsfi2021
Night Fall in the Ti-Tree
Teague, Violet & Rede, Geraldine
200 Gutenberg downloadsen2012Difficulty 57 (Graduate)
Maamieslauluja
Eerola, Eero
184 Gutenberg downloadsfi2021

The Natural History of Pliny, Volume 3 (of 6)

Audubon the Naturalist: A History of His Life and Time. Vol. 2 (of 2)

Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.

Adventures of a Young Naturalist

Anecdotes of Dogs

More Science from an Easy Chair

Child and Country: A Book of the Younger Generation

Amateur Gardencraft: A Book for the Home-Maker and Garden Lover

The Log of the Sun: A Chronicle of Nature's Year

Travels in Peru, on the Coast, in the Sierra, Across the Cordilleras and the Andes, into the Primeval Forests

Wild Animals at Home

The Biography of a Grizzly

Ontario Teachers' Manuals: Nature Study

A Bird-Lover in the West

Birds of the Rockies

The Watchers of the Trails: A Book of Animal Life

The Foot-path Way

The Medicinal Plants of the Philippines

The field and garden vegetables of America : $b containing full descriptions of nearly eleven hundred species and varieties; with directions for propagation, culture, and use.

Kamerplanten: Handboek tot het kweeken van planten in de kamer

In Nesting Time

Little Brothers of the Air

"Wee Tim'rous Beasties": Studies of Animal life and Character

Delineations of the Ox Tribe: The Natural History of Bulls, Bisons, and Buffaloes. Exhibiting all the Known Species and the More Remarkable Varieties of the Genus Bos.

Anecdotes of the Habits and Instinct of Animals

The Book of the National Parks

My Studio Neighbors

Birds, Illustrated by Color Photography, Vol. 1, No. 4 April, 1897

On the Portraits of English Authors on Gardening, with Biographical Notices of Them, 2nd edition, with considerable additions

Outdoor Sketching Four Talks Given before the Art Institute of Chicago; The Scammon Lectures, 1914

Dwellers in Arcady: The Story of an Abandoned Farm

Northern Nut Growers Association Report of the Proceedings at the 43rd Annual Meeting Rockport, Indiana, August 25, 26 and 27, 1952

Special Report on Diseases of the Horse

Wood folk at school

Language of Flowers

Northern Nut Growers Association Report of the Proceedings at the Fifteenth Annual Meeting New York City, September 3, 4 and 5, 1924

Home Taxidermy for Pleasure and Profit A Guide for Those Who Wish to Prepare and Mount Animals, Birds, Fish, Reptiles, etc., for Home, Den, or Office Decoration

Woodward's Graperies and Horticultural Buildings

Bird Stories

Birds in the Calendar

The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State

An Elementary Study of Insects

Peeps At Many Lands: Australia

Chatterbox Stories of Natural History

Wild Nature Won By Kindness

Gardening Indoors and Under Glass A Practical Guide to the Planting, Care and Propagation of House Plants, and to the Construction and Management of Hotbed, Coldframe and Small Greenhouse

The Genus Pinus

The Wonders of the Jungle, Book One

Northern Nut Growers Association Report of the Proceedings at the 13th Annual Meeting Rochester, N.Y. September, 7, 8 and 9, 1922

The Natural History of Pliny, Volume 2 (of 6)

The Apple-Tree The Open Country Books—No. 1

The art of promoting the growth of the cucumber and melon in a series of directions for the best means to be adopted in bringing them to a complete state of perfection

Cattle and Cattle-breeders

De heele wereld rond Een leesboek ter bevordering van natuur-, landen- en volkenkennis, ten dienste der volksschool

Northern Nut Growers Association Report of the Proceedings at the Second Annual Meeting Ithaca, New York, December 14 and 15, 1911

The Natural History of Pliny, Volume 6 (of 6)

Butterflies and Moths (British)

Northern Nut Growers Association Report of the Proceedings at the Twenty-Fifth Annual Meeting Battle Creek, Michigan, September 10 and 11, 1934

Conservation Reader

Followers of the Trail

Hortus Inclusus Messages from the Wood to the Garden, Sent in Happy Days to the Sister Ladies of the Thwaite, Coniston

The language of flowers : $b The floral offering ; a token of affection and esteem ; comprising the language and poetry of flowers

The plant-lore & garden-craft of Shakespeare

Love's Meinie: Three Lectures on Greek and English Birds

Culinary Herbs: Their Cultivation Harvesting Curing and Uses

Lippincott's Magazine of Popular Literature and Science, Vol. 22, November, 1878

The Solomon Islands and Their Natives

Heads and tales : $b or, Anecdotes and stories of quadrupeds and other beasts, chiefly connected with incidents in the histories of more or less distinguished men.

The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth

The Malay Archipelago, Volume 1 The Land of the Orang-utan and the Bird of Paradise; A Narrative of Travel, with Studies of Man and Nature

Northern Nut Growers Association Report of the Proceedings at the Forty-Second Annual Meeting Urbana, Illinois, August 28, 29 and 30, 1951

Het Leven der Dieren: Deel 1, Hoofdstuk 01: De Apen

The Common Spiders of the United States

Snakes: Curiosities and Wonders of Serpent Life

The Old English Herbals

Wild Animals I Have Known

Beast and Man in India A Popular Sketch of Indian Animals in their Relations with the People

The tale of Rusty Wren

The Wonders of the Jungle, Book Two

Journal 02, 1850-September 15, 1851 The Writings of Henry David Thoreau, Volume 08 (of 20)