- Author: Isaria N. Kimambo
- Language: English
- Year: 1969
- Author: Bethwell A. Ogot
- Language: Kinyarwanda
- Year: 1967
- Author: Edward A. Alpers
- Language: English
- Year: 1967
- Author: G. C. K. Gwassa
- Language: Kiswahili (Swahili)
- Year: 1967
- Author: G. C. K. Gwassa, John Iliffe
- Language: English
- Author: Bernd Heine
- Language: English
- Year: 1976