Ehret, Christopher (1971). Southern Nilotic History: Linguistic Approaches to the Study of the Past. Evanston, Ill.: Northwestern University Press.
Goldschmidt, Walter (1976). The Culture and Behavior of the Sebei. Berkeley and Los Angeles: University of California Press.
Greenberg, Joseph H. (1963). Indiana University Research Center in Anthropology, Folklore, and Linguistics, Publication 25. The Languages of Africa. The Hague: Mouton.
Huntingford, G. W. B. (1953). The Mandi of Kenya: Tribal Control in a Pastoral Society. London: Routledge & Kegan Paul.
Kipkorir, B. E., with F. B. Welbourn (1973). The Marakwet of Kenya. Nairobi: East African Literature Bureau.
Oboler, Regina Smith (1985). Women, Power, and Economic Change: The Nandi of Kenya. Stanford, Calif.: Stanford University Press.
Orchardson, Ian (1961). The Kipsigis. Nairobi: East African Literature Bureau.
Peristiany, J. G. (1939). The Social Institutions of the Kipsigis. London: Routledge & Kegan Paul.