Freedman, Alan, author
Amacom, 1995
Buku Referensi
Spencer, Donald D.
Camelot Publishing Company, 1993
Buku Referensi
Campbell, Alastair, author
Chronicle Books, 2000
Buku Referensi
Porter, Philip, author
Haynes, 1995
Buku Referensi
Mollett, J.W., author
New York , American Archives of world art, 1966
Buku Referensi