Feathers and facts : a reply to the feather-trade, and review of facts with reference to the persecution of birds for their plumage
1912
Birds
Birds
1973
König, Claus |
Protection internationale des oiseaux : notes critiques sur le concordat de Paris (1895)
1898
Quinet, A. |
The life of birds
1963
Welty, Joel Carl |
Birds of coast and sea : Britain and Northern Europe
1977
Campbell, Bruce |
A new dictionary of birds
1964
Landsborough Thomson, A. |
The protection of birds : an indictment
1924
Loyd, Lewis R. W. |
Endangered birds : management for preserving threatened species
1977
Temple, Stanley A. |