Report on the Working Conference on Birds of Prey and Owls, Caen, Calvados, Normandy, Friday, 10 April - Sunday, 12 April 1964
1964
ICBP (International Council for Bird Preservation)
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. |
