Author/Creator
- United Nations. Economic Commission for Africa132
- Food and Agriculture Organization of the United Nations77
- African Development Bank29
- World Bank29
- Organisation for Economic Co-operation and Development. Development Centre18
- Unesco18
- United States. Congress. House. Committee on Foreign Affairs. Subcommittee on Africa, Global Health, Global Human Rights, and International Organizations, author18
- United States13
- African Geological Surveys12
- International African Institute12
- International Livestock Centre for Africa12
- International Monetary Fund12
- National Geographic Society (U.S.). Cartographic Division12
- African Development Fund11
- United States. Central Intelligence Agency10
- African Academy of Sciences9
- Falola, Toyin9
- International Union for Conservation of Nature and Natural Resources9
- United Nations Environment Programme9
- Brown, Leslie, 1917-19808