Guide to the Birds of Alaska, 6th edition
Armstrong, Robert H.
Peterson Field Guide to Birds of North America, Second edition
Peterson, Roger Tory
Birds of New York State
Identification Guide to North American Passerines [First edition]
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
Birds of Missouri: Their Distribution and Abundance
Robbins, Mark B.; Easterla, David A.
ABA Birdfinding Guide: A Birder's Guide to the Rio Grande Valley, Second edition
Holt, Harold R.
Lives of North American Birds [HC]
Birds of Oregon : Status and Distribution
Gilligan, Jeff; Smith, Mark; Rogers, Dennis
National Geographic Backyard Guide to the Birds of North America, Second edition
Alderfer, Jonathan and Noah Strycker
The Birds of Ohio
PETERJOHN, Bruce G.