Wing Tips: The Identification of Birds in Flight

Green, Roland

The Oxystomatous and Allied Crabs of America

Rathbun, Mary J.

Handbook of North American Birds: Volumes 1-5.

Palmer, Ralph S., Editor

Handbook of North American Birds: Volumes 2 and 3, Waterfowl Parts 1 and 2

Palmer, Ralph S.

Territory in Bird Life

Howard, Eliot

Crustacea: United States Exploring Expedition During the Years 1838, 1839, 1840, 1841, 1842. Under t

Dana, James D.

Global Biodiversity Assesment

Heywood, V.H., Editor & R.T.Watson, Chair

Bird Species: How They Arise, Modify and Vanish

Tietze, Dieter Thomas (Editor)

So Small a World

Mountfort, Guy

Waterfowl Ecology

Owen, Myrfyn

The California Woodpecker and I: A Study in Comparative Zoology

RITTER, William Emerson

Ornithology, First edition

Gill, Frank B.