Bergmans, Simone
Publications Filmees d'Art et d'Histoire, 1966
Buku Teks
McLoughlin, Clara
Office for Official, 1996
Buku Teks
Kamen, Henry
Routledge, 2000
Buku Referensi
edited by Felipe Fernandez-Armesto
Times Books, 1994
Buku Referensi
Coon, Carleton S.
Macmillan, 1948
Buku Teks