The Temple of Tepoztlan, Mexico
The Birds of North and Middle America. Part XI [Hardcover]
Friedmann, Herbert [Robert Ridgway]
Birds in Bermuda
Slaughter, Richard A.
Honker: A Discussion of the Habits and Needs of the Largest of Our Canada Geese
Sibley's Backyard Birds of the Midwest
Sibley, David Allen
The Bird Watcher's America
Pettingill Jr., Olin Sewall
Hawks and Owls of North America: A Complete Guide to North American Birds of Prey
Heintzelman, Donald S.
The Birds of North and Middle America: A Descriptive Catalog
RIDGWAY, Robert and Herbert FRIEDMANN.
Report on a Collection of Land Birds From Sonora, Mexico
van Rossem, A.J.
The Avifauna of Tiburon Island, Sonora, Mexico, with Descriptions of Four New Races
Birds of New Mexico
Bailey, Florence Merriam
The Murres: Their Distribution, Populations and Biology A Study of the Genus Uria
Tuck, Leslie M.