Spirit Ridden Konde (ISBN 0-7661-4639-1 ,1925 , 2003) by D.R. MacKenzie, someone who spent 25 years living in the area. A detailed and sympathetic account of the folklore of the Tukuyu area.
Deutsches Kolonial-Lexikon (1920), Band II, S. 633
Martin Walsh, The Malila: Preliminary Notes on Language, History and Ethnography (1998)