Wilson, Edmon
Doubleday, 1940
Buku Teks
Seeley, Christopher
University of Hawaii Press, 2000
Buku Teks SO
Kent, Sherman
Appleton Century Croffs, 1967
Buku Teks SO
Hassan, Mohammad Amin
Yogyakarta: Internationsl Association of Historians of Asia (IAHA), 1974
Buku Teks
Gelb, Ignace Jay
The University of Chicago , 1963
Buku Teks SO