Cohen, J.M. (John Michael), 1903-1989, author
Viking, 1993
Buku Referensi
edited by Angela Partington
Oxford University Press, 1993
Buku Referensi
A Norman Jeffares, Martin Gray, editor
HarperCollinPublisher, 1995
Buku Referensi
Oxford University
London, Oxford University Press
Buku Referensi
Sharpe, Gareth, author
Guinness Publishing, 1994
Buku Referensi