The Indian Ducks and Their Allies.
Baker, E.C. Stuart.
The Birds of Nippon
The Hawfinch. New Naturalist Monographs
The Birds of North and Middle America: A Descriptive Catalog
RIDGWAY, Robert and Herbert FRIEDMANN.
A Field Guide to the GUIDE: Identifying the Many Varieties of Roger Tory Peterson's Guide to Birds
The Waterfowl of the World. Volumes 1-4
Rails of the World : A Monograph of the Family Rallidae
Ripley, S. Dillon
The Hen Harrier
The Handbook of British Birds. Five Volumes
WITHERBY, H.F.; JOURDAIN, F.C.R.; TICEHURST, N.F.; TUCKER, B.W.
Birds of La Plata (Two Volumes]
The British Warblers: A History with Problems of Their Lives [Two Volumes]
Howard, H. Eliot; Henrik Gronvold [Illustrator]