Problems in prehistory : North Africa and the Levant
edited by Fred Wendorf and Anthony E. Marks
SMU Press, 1975
 Buku Teks SO
Southern Africa in transition
edited by John A. Davis and James K. Baker
American Society of African Culture, 1966
 Buku Teks SO
Racism and apartheid in southern Africa
The Unesco Press, 1974
 Buku Teks
Gilbert, Erik
Africa in world history : from prehistory to the preset / Erik Gilbert
Pearson Educational, 2004
 Buku Teks SO
Nielsen, Waldemar A.
Africa
Atheneum, 1966
 Buku Teks SO