Ngā tūemi rite: The distribution of protected areas in realtion to the needs of biotic community conservation in Eastern Africa /
- Conserving Africa's natural heritage = conserver le patrimoine naturel de L'Afrique
- The IUCN sahel studies 1989
- Africa: en busca de una identidad /
- Essays on language, communication and literature in Africa /
- Perspectives on international research on science in Africa /
- Conservation of nature and natural resources in modern african states /