The Bantu-Speaking Peoples of Southern Africa, 1974. ,
natural preserve of anthropologists " . Social anthropology, scientific planning and development, Social Science Information, vol.2, pp.343-376, 1997. ,
The making of the South African native problem, 1929. ,
The Creation of tribalism in Southern Africa, 1989. ,
« Continuity and change in South African cultural anthropology (Volkekunde) Issues of essentialism and complexity, South African Journal of Ethnology, vol.XXII, issue.2, pp.45-48, 1999. ,
A preliminary survey of the Bantu tribes of South Africa, 1935. ,