edited by Francis Robinson
Cambridge University Press, 1996
Buku Referensi
edited by Geoffrey Parker
Cambridge University Press, 1995
Buku Referensi
Gutteridge, Anne C.
Cambridge University Press, 1983
Buku Referensi
edited by G. Goodwin
Cambridge University Press, 1958
Buku Teks
edited by H. H. Dodwell
University Press, 1929
Buku Teks