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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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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 Confessions of a Poacher
F.L.S. John Watson
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Fox Trapping: A Book of Instruction Telling How to Trap, Snare, Poison and Shoot
A. R. Harding
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The Amphibians and Reptiles of Michoacán, México
William Edward Duellman
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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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Wolf and Coyote Trapping: An Up-to-Date Wolf Hunter's Guide
A. R. Harding
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A Field Study of the Kansas Ant-Eating Frog, Gastrophryne olivacea
Henry S. Fitch
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Mammals Obtained by Dr. Curt von Wedel from the Barrier Beach of Tamaulipas, Mexico
E. Raymond Hall
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The Argus Pheasant
John Charles Beecham
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Buffalo Land
W. E. Webb
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Middle American Frogs of the Hyla microcephala Group
William Edward Duellman and M. J. Fouquette
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A Review of the Middle American Tree Frogs of the Genus Ptychohyla
William Edward Duellman
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Wild Bees, Wasps and Ants and Other Stinging Insects
Edward Saunders
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Color Key to North American Birds
Frank M. Chapman
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Birds, Illustrated by Color Photography, Vol. 1, No. 4
Various
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Genera and Subgenera of Chipmunks
John A. White
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The Determined Angler and the Brook Trout
Charles Barker Bradford
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Marvels of Pond-life
Henry James Slack
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Birds from North Borneo
Max C. Thompson
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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. 4
Various
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Butterflies Worth Knowing
Clarence Moores Weed
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Birds, Illustrated by Color Photography, Vol. 2, No. 6
Various
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The Subspecies of the Mountain Chickadee
Joseph Grinnell
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