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Natural History in Anecdote
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A Review of the Middle American Tree Frogs of the Genus Ptychohyla
William Edward Duellman
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Buffalo Land
W. E. Webb
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The Subspecies of the Mountain Chickadee
Joseph Grinnell
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Mammals of Northwestern South Dakota
J. Knox Jones and Kenneth W. Andersen
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A Monograph on the Sub-class Cirripedia (Volume 1 of 2)
Charles Darwin
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The Barren Ground Caribou of Keewatin
Francis Harper
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The Determined Angler and the Brook Trout
Charles Barker Bradford
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Antarctic Penguins: A Study of Their Social Habits
G. Murray Levick
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Ecological Studies of the Timber Wolf in Northeastern Minnesota
L. David Mech, Louis Daniel Frenzel, Robert R. Ream, John W. Winship, and P. D. Karns
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The Amphibians and Reptiles of Michoacán, México
William Edward Duellman
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A Field Study of the Kansas Ant-Eating Frog, Gastrophryne olivacea
Henry S. Fitch
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Natural History of the Bell Vireo, Vireo bellii Audubon
Jon C. Barlow
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Wolf and Coyote Trapping: An Up-to-Date Wolf Hunter's Guide
A. R. Harding
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Butterflies and Moths (British)
William S. Furneaux
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Zoological Illustrations, Volume 1
William Swainson
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Birds Illustrated by Color Photography, Vol. 3, No. 1 [January, 1898]
Various
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Birds, Illustrated by Color Photography, Vol. 2, No. 6
Various
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British Butterflies: Figures and Descriptions of Every Native Species
W. S. Coleman
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An Experimental Translocation of the Eastern Timber Wolf
Thomas F. Weise, William Laughlin Robinson, Richard A. Hook, and L. David Mech
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Seaside Studies in Natural History. Marine Animals of Massachusetts Bay. Radiates.
Elizabeth Cabot Cary Agassiz and Alexander Agassiz
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Fifty Years a Hunter and Trapper
E. N. Woodcock
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Amphibians and Reptiles of the Rainforests of Southern El Petén, Guatemala
William Edward Duellman
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Occurrence of the Garter Snake, Thamnophis sirtalis, in the Great Plains and Rocky Mountains
Henry S. Fitch and T. Paul Maslin
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ABC of Fox Hunting
Sir John Dean Paul
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