Birds in the Wilderness: Adventures of an Ornithologist
Sutton, George Miksch
The Warblers of North America: A Popular Account of the Wood Warblers in the Western Hemisphere
GRISCOM, Ludlow and Alexander Sprunt, Jr., Editors
Illustrations by Dick, John Henry
Birds of New Mexico
Bailey, Florence Merriam
The Waterfowl of North America: The Complete Ducks, Geese and Swans
Hill, Robin; Johnsgard, Paul A.
High Arctic: An Expedition to the Unspoiled North
Birds of the Rocky Mountains
Johnsgard, Paul A.
The Breeding Bird Survey 1967 and 1968
Robbins, Chandler S.; Willet T. Van Velzen
A Field Guide to the Nests, Eggs and Nestlings of North American Birds
The Ducks, Geese and Swans of North America: a Vade Mecum for the Naturalist and the Sportsman
Kortright, Francis H.
Illustrations by T.M. Shortt
North American Owls: Biology and Natural History [First Edition]
ABA Field Checklist - Weatherproof field card
American Birding Association