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Common Trees of Pennsylvania
Joseph E. Ibberson, A. B. Mickalitis, J. E. Aughenbaugh, and C. L. Morris
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Woodcraft and Camping
George Washington Sears
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Bambi
Felix Salten
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Curious Creatures in Zoology
John Ashton
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Mythical Monsters
Charles Gould
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The Burgess Bird Book for Children
Thornton W. Burgess
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Texas Rocks and Minerals: An Amateur's Guide
Roselle M. Girard
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Sylva; Or, A Discourse of Forest Trees. Vol. 1 (of 2)
John Evelyn
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A Book of Natural History
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Birds, Illustrated by Color Photography, Vol. 1, No. 1
Various
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Metabolic Adaptation to Climate and Distribution of the Raccoon Procyon Lotor and Other Procyonidae
John N. Mugaas, John Seidensticker, and Kathleen P. Mahlke-Johnson
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Explanation of Terms Used in Entomology
John Bernhard Smith
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Some Constituents of the Poison Ivy Plant (Rhus Toxicodendron)
William Anderson Syme
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The Old English Herbals
Eleanour Sinclair Rohde
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Man and Nature; Or, Physical Geography as Modified by Human Action
George P. Marsh
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My First Summer in the Sierra
John Muir
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The Life of the Bee
Maurice Maeterlinck
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Wild Flowers Worth Knowing
Neltje Blanchan
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The Botanic Garden. Part 2, Containing the Loves of the Plants. A Poem.
Erasmus Darwin
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Poems of Nature
Henry David Thoreau
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Comparative Breeding Behavior of Ammospiza caudacuta and A. maritima
Glen Everett Woolfenden
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Vertebrates from the Barrier Island of Tamaulipas, México
Richard F. Johnston, Robert K. Selander, B. J. Wilks, and Gerald G. Raun
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Fabre's Book of Insects
Jean-Henri Fabre
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Summer Birds From the Yucatan Peninsula, Mexico
Erwin E. Klaas
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Deadfalls and Snares
A. R. Harding
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