Standing, T.G.
African explorers / T. G. Standing
Longman, Green, 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, 1954
Buku Teks SO
Poe, Richard
Black spark, White fire : Did African explorers civilize Ancient Europe
Prima, 1999
Buku Teks SO