Channon, John, author
Penguin Books, 1995
Buku Referensi
Cribb, Robert Bridson
London : Curzon, 2000,
Buku Referensi
edited by William C. Brice
E.J. Brill, 1981
Buku Referensi
Puvier, Jan M.
New York : E.J. Brill, 1995,
Buku Referensi
Pluvier, Jan M., author
E.J. Brill, 1995
Buku Teks