Boulder, Colo. : L. Rienner Publishers, 1987

New Delhi ; Thousand Oaks : Sage Publications, 1996

London, Macmillan, 1971

Cambridge, Harvard University Press, 1970

New York, Harper 1954
[1st American ed.].

London, Methuen, 1969

Berkeley : University of California Press, 1965

New York : Negro Universities Press, 1970

New York : Rizzoli, 1990

London, Oxford University Press for the International African Institute, 1971