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
Wild Birds of the Americas
SHORTT, Terence Michael
Diving Birds of North America
Johnsgard, Paul A.
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
The Temple of Tepoztlan, Mexico
Birds in Bermuda
Slaughter, Richard A.
Honker: A Discussion of the Habits and Needs of the Largest of Our Canada Geese
Sibley's Backyard Birds of the Midwest
Sibley, David Allen
Hawks and Owls of North America: A Complete Guide to North American Birds of Prey
Heintzelman, Donald S.