Norri, Alan
Weidenfeld and Nicolson, 1992
Buku Teks
Han Bing Siong, author
Martinus Jijhoff, [1961, 1961]
Buku Teks
Hall, Kermit L.
Oxford University Press, 1989
Buku Teks
edited by V.A.C. Gatrell, Bruce Lenman, and Geoffrey Parker
Europa Publications, 1980
Buku Referensi
Grabar, V.E., author
Clarendon Press, 1990
Buku Referensi