Howard, Godfrey, author
Pan Macmillan Publishers, 1993
Buku Referensi
Partridge, Eric, 1894-1979, author
Penguin Books, 1982
Buku Teks
Partridge, Eric, 1894-1979, author
Hamish Hamilton, 1994
Buku Referensi
Swan, Michael, author
Oxford University Press, 1995
Buku Teks
edited by Tim Storrie and James Matson
Cassell , 1991
Buku Teks