Birds of the Smokies
Palmer, Ralph S.
American Birding Association Field Guide to Birds of Massachusetts
Petersen, Wayne R.; Photography by Brian E. Small
Handbook of Birds of Eastern North America
Chapman, Frank M.
Multimedia Identification Guide to North Atlantic Seabirds: Albatrosses and Fulmarine Petrels
Flood, Bob and Fisher, Ashley
Peterson Field Guide to Reptiles and Amphibians of Eastern and Central North America [Fourth Edition
Powell, Robert; Roger Conant, Joseph Collins
All About Backyard Birds Family Pocket Guide: Eastern and Central North America
Powell, Hugh; Brian Scott Sockin, and Laura Erickson, Editors
Peterson Field Guide to Bird Sounds of Eastern North America
American Birding Association Field Guide to Birds of Pennsylvania [Scratch and Dent]
Armistead, George L.; Photography by Brian E. Small
American Birding Association Field Guide to Birds of Pennsylvania
The Sibley Field Guide to Birds of Eastern North America, Second edition
A Guide to Bird Finding East of the Mississippi, Second edition
Pettingill, Olin Sewall Jr.
Illustrations by Watson, Donald