Wiedner, Donald L. Donal Lawrence)
A history of Africa south of the Sahara / Donald L. Wiedner
Random House, 1962
 Buku Teks
A Symposium on fertility in sub-sahara Africa
Washington, D.C :Worl bank, 1996.,
 Buku Teks
Africa : journal of the International African Institute
London : Oxford University Press
 Majalah, Jurnal, Buletin
Swift, Jeremy
The Sahara
Time-Life Internationa, 1975
 Buku Teks
Damis, John
Conflict in northwest Africa : the western sahara dispute / John Damis
Hoover Institution Press, 1983
 Buku Teks