Phiri, Bizeck J. (2005). "Lozi Kingdom and the Kololo". In Shillington, Kevin (ed.). Encyclopedia of African History, Volume II, H-O. New York: Fitzroy Dearborn (Routledge). pp. 851–852. ISBN978-1-57958-454-2.
Gann, Lewis H.; Duignan, Peter (1999). Africa and the world: An introduction to the history of sub-Saharan Africa from antiquity to 1840. Lanham, Maryland: University Press of America. p. 413–414. ISBN0-7618-1520-1.