Fage, J.D.
Routledge, 1995
Buku Teks
Hatch, John
Frederick A. Praeger, 1965
Buku Teks
Nickersen, Jane Soames
The Devin-Adair Company, 1961
Buku Teks
edited by Phillis M. Martin and Patrick O'Meara
Indiana University Press, 1995
Buku Teks
Bohannan, Paul
The National History Press, 1964
Buku Teks