Racism and apartheid in southern Africa
The Unesco Press, 1974
 Buku Teks
Southern Africa in transition
edited by John A. Davis and James K. Baker
American Society of African Culture, 1966
 Buku Teks SO
Clark, J. Desmond
The prehistory of Southern Africa
Penguin Books Inc., 1959
 Buku Teks
The black presence in english literature
edited by David Dabydeen
Manchester University Press, 1985
 Buku Teks SO
Posner, Richard A.
Law and legal theory in England and America
Clarendon Press, 1996
 Buku Teks