The School of Oriental and African Studies : University of London
Majalah, Jurnal, Buletin
Offices of the Royal Historical society, 1963
Buku Referensi
Fairservis, Walter A.
New American Library, 1959
Buku Teks
Wynar, Christine Gehrt
Libraries Unlimited, 1986
Buku Referensi
Bussagli, Mario
Electa/ Rizzoli, 1989
Buku Teks