American Waterfowl-Their Present Situation and the Outlook for their Future
Phillips, John C.; Frederick C. Lincoln
A Field Guide to the Nests, Eggs and Nestlings of North American Birds
North American Birds: A Coloring Book
The American Robin: A Backyard Institution
Illustrations by Hall, Martha R.
Handbook of Birds of Eastern North America
Chapman, Frank M.
U.S. Pacific Railroad Surveys: Reports of Explorations and Surveys. Volume IX, Part II
Baird, Spencer Fullerton
A Bibliography of the Catalogs, Lists, Faunal and Other Papers on the Butterflies of North America N
Field, William D.; Cyril F. Dos Passo; John H. Masters
The Sibley Guide to Birds, First edition, first printing
Sibley, David Allen
The Book of Birds: Common Birds of Town and Country and American Game Birds
Henshaw, Henry W.
Wild Birds of the Americas
SHORTT, Terence Michael
A Swift Guide to Butterflies of North America Second Edition
Report Upon Geographical and Geological Explorations and Surveys West of the One Hundredth Meridian:
Wheeler, Geo. M. & John J. Stevenson