edited by Harold Osborne
Clarendon Press, 1970
Buku Referensi
Walker, David M.
Clarendon Press, 1980
Buku Teks
edited by Margaret Drabble
Oxford University Press, 1998
Buku Referensi
edited by Margaret Drabble
Oxford University Press, 1985
Buku Referensi
Hart, James, author
Oxford University Press, 1965
Buku Referensi