Our mother nature : the conservation of nature and natural resources in the Sudan-Sahel zone of Africa
1963
Villiers, A. |
IUCN publications new series. Supplementary paper
Liquid assets
1965
Atkinson-Willes, G. L. |
Crocodiles : the status of crocodiles in Africa : a paper contributed to the first Working Meeting of Crocodile Specialists sponsored by the New York Zoological Society and organized by the Survival Service Commission, IUCN, at the Bronx Zoo, New York, 15
1972
Cott, Hugh B. (Hugh Bamford) |
Pooley, A. C. |
