Wilde, William H.
Oxford University Press, 1994
Buku Referensi
Garland, Henry
Oxford University Press, 1995
Buku Referensi
compiled and edited by Sir Paul Harvey
Oxford University Press, 1944
Buku Referensi
edited by Margaret Drabble
Oxford University Press, 1985
Buku Referensi
Hart, James
Oxford University Press, 1965
Buku Referensi