Duffy, James
Portuguese Africa
HArvard University Press, 1961
 Buku Teks
Updike, John
The Coup / John Updike
Penguin Books, 1979
 Buku Teks SO
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