Duffy, James
HArvard University Press, 1961
Buku Teks
edited by Phillis M. Martin and Patrick O'Meara
Indiana University Press, 1995
Buku Teks
Fage, J.D., author
Routledge, 1995
Buku Teks
edited by Bisheshwar Prasad
Asia Public House, 1960
Buku Teks
Hatch, John, author
Frederick A. Praeger, 1965
Buku Teks