Griffiths, Ieuan Ll.
The atlas of African affairs
Routledge, 1994
 Buku Teks SO
Boyd, Andrew
An atlas of African affairs
Frederick A. Praeger, 1962
 Buku Teks SO
Davidson, Basil
African kingdoms
Time-Life International, 1967
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July, Robert W
A history of the African people
Charles Scribner's, 1970
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Kennedy, Scott
In search of African theatre
Charles Scribner's , 1973
 Buku Teks SO