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The Foundations of the Origin of Species
Charles Darwin
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Mammals of Northwestern South Dakota
J. Knox Jones and Kenneth W. Andersen
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Darwin and Modern Science
A. C. Seward
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Lehrbuch der Botanik für Hochschulen (German)
A. F. W. Schimper, Eduard Strasburger, Fritz Noll, and H. Schenck
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Pioneers of Evolution from Thales to Huxley
Edward Clodd
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The Elements of Botany, For Beginners and For Schools
Asa Gray
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The Cambridge natural history, Vol. 03 (of 10)
A. H. Cooke and F. R. C. Reed
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Birds in Town & Village
W. H. Hudson
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Handbook of the Trees of New England
Henry M. Brooks and Lorin Low Dame
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The Elements of Bacteriological Technique
J. W. H. Eyre
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The History of Creation, Vol. 1 (of 2)
Ernst Haeckel
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The Movements and Habits of Climbing Plants
Charles Darwin
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Insectivorous Plants
Charles Darwin
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The puzzle of life and how it has been put together : A short history of the formation of the earth, with its vegetable and animal life, from the earliest times, including an account of prehistoric man, his weapons, tools, and works
Arthur Nicols
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Evolution, Old & New
Samuel Butler
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Special Report on Diseases of the Horse
United States. Bureau of Animal Industry, Leonard Pearson, Rush Shippen Huidekoper, Charles B. Michener, and W. H. Harbaugh
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Evidence as to Man's Place in Nature
Thomas Henry Huxley
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What is Darwinism?
Charles Hodge
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New Zealand Moths and Butterflies (Macro-Lepidoptera)
G. V. Hudson
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Hints towards the formation of a more comprehensive theory of life.
Samuel Taylor Coleridge
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Botany: The Science of Plant Life
Norman Taylor
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The Life-Story of Insects
George H. Carpenter
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Amphibians and Reptiles of the Rainforests of Southern El Petén, Guatemala
William Edward Duellman
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Omphalos: An Attempt to Untie the Geological Knot
Philip Henry Gosse
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A Text-book of Entomology
A. S. Packard
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