Ware, Alan
Oxford University Press, 1996
Buku Teks
Maor, Moshe, author
Routledge, 1997
Buku Teks
Sundquist, James L
The Brooking Institution, 1973
Buku Teks
Sage Publications, 2004
Buku Teks
contributors, Frederick C. Barghoorn ... [and others] ; edited by Sigmund Neumann
University of Chicago Press, 1956
Buku Teks