Poe, Richard
Black spark, White fire : Did African explorers civilize Ancient Europe
Prima, 1999
 Buku Teks SO
Severin, Timothy
Explorers of the Mississippi
Knopf, 1968
 Buku Teks SO
Suber, Peter
The case of the speluncean explorers: nine new opinion
Routledge, 1998
 Buku Teks SO
New African
Jakarta : The Ambassador of The Republic of Zimbabwe, 2007,
 Majalah, Jurnal, Buletin
Estell, Kenneth
African America
Visible Ink Press, 1994
 Buku Teks