compiled and edited by Bill Wannan
Macmillan, 1974
Buku Referensi
Cohen, J.M. (John Michael), 1903-1989, author
Allen Lane, 1980
Buku Referensi
Bloomsbury, 1990
Buku Referensi
Cohen, J.M. (John Michael), 1903-1989, author
Penguin Books, 1971
Buku Referensi
edited by Angela Partington
Oxford University Press, 1993
Buku Referensi