Scholes, Percy A., author
Oxford University Press, 1933
Buku Referensi
edited by Denis Arnold
Oxford University Press, 1992
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