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The Antiquity of Man
Sir Charles Lyell
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Animal Parasites and Messmates
P. J. van Beneden
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My Studio Neighbors
W. Hamilton Gibson
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Elementary Zoology, Second Edition
Vernon L. Kellogg
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Insect life: Souvenirs of a naturalist
Jean-Henri Fabre
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On the Origin of Species
Charles Darwin
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The Elements of Bacteriological Technique
J. W. H. Eyre
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Freedom in Science and Teaching.
Ernst Haeckel
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The Butterflies of the British Isles
Richard South
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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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The Kallikak Family: A Study in the Heredity of Feeble-Mindedness
Henry Herbert Goddard
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Radioisotopes and Life Processes (Revised)
Walter E. Kisieleski and Renato Baserga
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Journal of Entomology and Zoology, Vol. 09, No. 1, March 1917
Various
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Darwinism stated by Darwin himself
Charles Darwin
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Ecological Observations on the Woodrat, Neotoma floridana
Dennis G. Rainey and Henry S. Fitch
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The Variation of Animals and Plants under Domestication
Charles Darwin
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The Story of the Living Machine
H. W. Conn
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The Chain of Life in Geological Time
Sir John William Dawson
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Wild Nature Won By Kindness
Mrs. Brightwen
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The Elements of Botany, For Beginners and For Schools
Asa Gray
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Evolution, Old & New
Samuel Butler
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Form and Function: A Contribution to the History of Animal Morphology
E. S. Russell
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Birds of the Indian Hills
Douglas Dewar
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Systematic Status of a South American Frog, Allophryne ruthveni Gaige
John D. Lynch and Howard L. Freeman
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Response in the Living and Non-Living
Jagadis Chandra Bose
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