Publications of The British Trust for Ornithology
A Contribution to the Ornithology of the Tristan Da Cunha Group [Ibis Vol. 99, No. 4]
The Gulls (Laridae) of the World; Their Plumages, Moults, Variations, Relationships and Distribution
Dwight, Jonathan, M.D.
Birds of Central New Guinea
Mayr, Ernst & E. Thomas Gilliard
A Survey of the Birds of Mongolia
The Cabinet of Natural History and American Rural Sports with Ilustrations
Stewart, Gail, Editor
Annotated List of the Birds of Michigan
Aves de Cundinamarca
Life of the Harrier in Denmark-Observations from Breeding Places in West Jutland
Finnish Birds: Their Distribution and Numbers
Handbook of the Birds of Europe, the Middle East, and North Africa: Complete set [BWP]
CRAMP, Stanley, Chief Editor, et al.
Life Histories of Central American Birds: [I]-III. Complete set in three volumes.
SKUTCH, Alexander F.