D.Phil., Oxford University
Ph.D. Northwestern University
M.A., Northwestern University
B.A., Columbia University
History of health and healing in Africa, the content and uses of orally transmitted knowledge, and the place of knowledge about Africa in the social sciences.
African History. Second edition, fully revised. With Philip Curtin, Leonard Thompson, and Jan Vansina Longman, 1995.
The Social Basis of Health and Healing in Africa: Co-edited with John Janzen. University of California Press. 1992.
Peasant Intellectuals Anthropology and History in Tanzania: University of Wisconsin Press. 1990.
The Social History of Disease and Medicine in Africa: Co-edited with John Janzen. Special issue of Social Science and Medicine. 1979.
Health and Society in Africa: A Working Bibliography, Crossroads Press. 1978.
African History, with Philip Curtin, Jan Vansina and Leonard Thompson. Little Brown, 1978.