Standing, T. G.
African explorers / T. G. Standing
Longmans, Green and Co., 1951
 Buku Teks SO
Silver, James W.
Mississippi: the closed society
Harcourt Brace&world, 1966
 Buku Teks SO
Suber, Peter
The case of the speluncean explorers: nine new opinion
Routledge, 1998
 Buku Teks SO
Highsaw, Robert B.
The Government and administration of Mississippi / Robert B. Highsaw
Thomas Y. Crowell Company, 1954
 Buku Teks SO
Poe, Richard
Black spark, White fire : Did African explorers civilize Ancient Europe
Prima, 1999
 Buku Teks SO