Pirenne, Henri, author
Dover, 2001
Buku Teks SO
Braunfels, Wolfgang
Paris Publications filmees d'art et d'histoire 1966
Buku Teks
Suadi Putro
Paramadina, 1998
Buku Teks
Siti Rohmah Soekarba, author
Universitas Indonesia, 1999
UI - Tesis Membership
Pickthall, Mohammed Marmaduke
Mentor Book, [date of publication not identified]
Buku Teks