Murison, W. J. (William John), author
Clive Bingley , 1988
Buku Teks
edited by Colin Harris, Brian Clifford
British Library, 1985
Buku Teks
Norman, Sandy, author
Library Association Publishing, 1996
Buku Referensi
Greiner, Joy M., author
Libraries Unlimited, 2004
Buku Teks
Ted Hughes, 1997
Buku Teks