Books in Category: Science - Biology
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Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.
George Francis Atkinson
23549 downloads
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Life and Letters of Charles Darwin — Volume 1
Charles Darwin
21266 downloads
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More Letters of Charles Darwin — Volume 1
Charles Darwin
20607 downloads
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The Elements of Bacteriological Technique
J. W. H. Eyre
16820 downloads
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The Notebooks of Leonardo Da Vinci — Complete
da Vinci Leonardo
14358 downloads
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On the Origin of Species by Means of Natural Selection
Charles Darwin
13559 downloads
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The Variation of Animals and Plants Under Domestication, Vol. I.
Charles Darwin
12350 downloads
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The Natural History of Pliny, Volume 3 (of 6)
the Elder Pliny
12070 downloads
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Contributions to the Theory of Natural Selection
Alfred Russel Wallace
11809 downloads
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On the Origin of Species By Means of Natural Selection
Charles Darwin
11357 downloads
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Vegetable Teratology
Maxwell T. Masters
11318 downloads
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Cattle and Their Diseases
Robert Jennings
11210 downloads
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The Origin of Species by Means of Natural Selection
Charles Darwin
11000 downloads
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Darwin, and After Darwin, Volumes 1 and 3
George John Romanes
9895 downloads
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Letters of Asa Gray; Vol. 2
Asa Gray
9780 downloads
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Evolution, Old & New
Samuel Butler
9469 downloads
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The Theories of Darwin and Their Relation to Philosophy, Religion, and Morality
Rudolf Schmid
9121 downloads
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Mysteries of Bee-keeping Explained
M. Quinby
8832 downloads
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Insects and Diseases
Rennie Wilbur Doane
7357 downloads
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The Medicinal Plants of the Philippines
T. H. Pardo de Tavera
7230 downloads
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Birds of the Rockies
Leander S. Keyser
6792 downloads
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Delineations of the Ox Tribe: The Natural History of Bulls, Bisons, and Buffaloes.
George Vasey
6482 downloads
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The Foundations of the Origin of Species
Charles Darwin
6422 downloads
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Zoölogische Philosophie (Dutch)
Jean Baptiste Pierre Antoine de Monet de Lamarck
5986 downloads
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Sir Jagadis Chunder Bose, His Life and Speeches
Jagadis Chandra Bose
5868 downloads
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