ABA Birdfinding Guide: A Birder's Guide to Washington, Second edition [Scratch & Dent]
Hadley, Jane, Editor; Washington Ornithological Society
The Warblers of North America
CHAPMAN, Frank M.
Pete Dunne's Essential Field Guide Companion : A Comprehensive Resource for Identifying North Americ
Connie Hager-The Life History of a Texas Birdwatcher [First Edition]
McCracken, Karen Harden
ABA Birdfinding Guide: A Birder's Guide to the Rio Grande Valley, Third edition
Lockwood, Mark W.,William B. McKinney, James N. Paton, and Barry R. Zimmer
Status and Distribution of South Carolina Birds
Post, William; Gauthreaux, Sidney A. Jr.
Arizona Game Birds
Brown, David E.
Wild America: The Record of a 30,000 Mile Journey Around the Continent by a Distinguished Naturalist
Peterson, Roger Tory & James Fisher
Birds of Prey: Natural History and Conservation of North American Raptors
Snyder, Noel F.R.; Snyder, Helen A.
Atlas of the Breeding Birds of Maryland and the District of Columbia
Robbins, Chandler S.
The Birds of Illinois
Bohlen, H. David
Bird Communities at Sea Off California 1975 to 1983. SAB No. 11
Briggs, Kenneth T.; Tyler, William Breck; Lewis, David B.; Carlson, David R.