World Conference on Birds of Prey, held in Vienna, Wednesday, 1 October - Friday, 3 October, 1975 : report of proceedings
1977
IUCN
Directory : Species Survival Commission membership directory
1990
Dopazo, Maria |
Dolphins, porpoises and whales of the world : the IUCN red data book
1991
Cooke, Justin |
Klinowska, Margaret |
The IUCN invertebrate red data book
1983
Collins, N. Mark |
Hughes, Sarah Anne |
Pyle, Robert Michael |
Wells, Sue |
1990 IUCN red list of threatened animals
1990
Flesness, Nathan R. |
Foose, Thomas J. |
Biodiversity in sub-saharan Africa and its islands : conservation, management and sustainable use
1990
Stuart, S. N. |
Adams, Richard J. |
Environmental issues in eastern Europe : setting an agenda
1990
Russell, Jeremy |
Pakistan's environment : a historical perspective and selected bibliography with annotations
1989
Mumtaz, Khawar |
Abidi-Habib, Mehjabeen |
Wildlife utilization and game ranching : report of a study of recent progress in this field in southern Africa
1976
Mossman, Sue Lee |
Mossman, Archie S. |