Poe, Richard
Black spark, White fire : Did African explorers civilize Ancient Europe/by Richard Poe
Prima, 1999
Buku Teks
Severin, Timothy
Explorers of the Mississippi
Knopf, 1968
Buku Teks SO
Estell, Kenneth
African America
Visible Ink Press, 1994
Buku Teks
The lonely African
by Colin M. Turnbull
Simon and schuster, 1962
Buku Teks
Davidson, Basil
African kingdoms
Time-Life International, 1967
Buku Teks