Peterson Birding by Ear - Eastern / Central [CD]
Walton, Richard K.; Lawson, Robert W.
Birds in Kansas. Volumes I & II
Thompson, Max C. & Charles Ely
Kansas Breeding Bird Atlas
Busby, William H.; Zimmerman, John L.
Peterson Field Guide to Birds of Eastern and Central North America, Seventh Edition
Peterson, Roger Tory
Illustrations by Peterson, Roger Tory
ABA Birdfinding Guide: A Birder's Guide to Southern California. Fifth edition
ABA Birdfinding Guide: A Birder's Guide to the Rio Grande Valley, Fourth edition
LOCKWOOD, Mark; MCKINNEY, William B.; PATON, James N.; ZIMMER, Barry R.
Guide to the Birds of Alaska, 6th edition
Armstrong, Robert H.
Peterson Field Guide to Birds of North America, Second edition
Birds of New York State
The Birder's Handbook : A Field Guide to the Natural History of North American Birds
Ehrlich, Paul R.; Dobkin, David S.; Wheye, Darryl
Kaufman Field Guide to Birds of North America
A Photographic Guide to the Birds of Wintergreen, with an Introduction to the Area and to Other Loca