1. Information wanted: Bushmen circumcision
2. S., Dornan, S. 1925.Pygmies and Bushmen of the Kalahari158London
3. I., Schapera, 1930.The Khoisan Peoples of South Africa71London
4. The Bushmen of the Kalahari, published by the Witwatersrand University Press in 1937 , wrote on p. 165 ,