Mantegazza, op.cit., S. 61

Crawley, op.cit., S. 254

M.H. Kingsley, zitiert in Crawley, op.cit., S. 254

J. MacDonald, ,»Manners, Customs, Superstitions, and Religions of South African Tribes«, Journal of the Anthropological Institute, Heft 20, S. 119, (1891)

Paolo Mantegazza, The Sexual Relations of Mankind (Baltimore, Maryland, Eugenics Publishing Co., 1935), S. 61

Ebd.

E.B. Tylor, Anthropology, Bd. II (London, Watts, 1930), S. 132

G. Earnest Wright, Shechem (London, Duckworth, 1965), S. 17

Susan Michelmore, Sexual Reproduction (New York, Natural History Press, 1964), S. 15

L.L. Bird, zitiert in Crawley, op.cit., S. 264