Amphibian and Reptiles of Delmarva
White, James F.,Jr. & Amy Wendt White.
Birding the Delaware Valley Region: A Comprehensive Guide to Birdwatching in Southeastern Pennsylvan
Harding, John J.; Harding, Justin J.
Birds of Prey of the Northeast: Field Guide
Birds by the Shore: Observing the Natural Life of the Atlantic Coast
Birds of Maryland, Delaware, and the District of Columbia
Beehler, Bruce M., photography by Middleton Evans
Observations of Marine Birds and Mammals in the Northern Chesapeake Bight
Rowlett, Richard A.
Birding the Delaware Valley Region: A Guide to Birdwatching in Pennsylvania, New Jersey and Delaware
Birds of Delaware
Hess, Gene; West, Richard L.; Fleming, Lorraine M.; Barhill, Maurice V.
Checklist of Birds of the Mid-Atlantic Area
STOTT, William R. Jr.; Fleming, Gregory W.