Tallett, Frank
London Routledge 1992,
Buku Teks
edited by Norman F. Cantor and Samuel Berner
Thomas Y. Crowell, 1970
Buku Teks
Rice, Eugene F., author
W.W. Norton, 1970
Buku Teks
Ashgate Publishing Company, 2004
Buku Teks
Williams, E.N., author
Bodley Head, 1970
Buku Teks