A History of North American Birds; Land Birds; Vol. 1 of 3

A History of North American Birds; Land Birds; Vol. 2 of 3

A History of North American Birds; Land Birds; Vol. 3 of 3

A Synopsis of the Birds of North America

Audubon and His Journals, Volume 1

Audubon and His Journals, Volume 2

Cavity-Nesting Birds of North American Forests Agriculture Handbook 511