Polar bears : proceedings of the 2nd Working Meeting of Polar Bear Specialists organized by IUCN at Morges, Switzerland, 2-4 February 1970
1970
IUCN Survival Service Commission
Endangered birds of the world : report on status and action treatment
1968
Joslin, Paul |
Endangered mammals of the world : report on status and action treatment
1968
Joslin, Paul |
Maryanka, Daphne |
Problems of threatened species
1970
Holloway, Colin W. |
A look at threatened species : a report on some animals of the Middle East and southern Asia which are threatened with extermination
1960
Talbot, Lee M. (Lee Merriam) |
Report on a survey of the rhinoceros area of Nepal, March and April 1959
1959
Gee, E. P. |
