Currency Press, 1984
Buku Teks
edited by John E. Simkin
D.W. Thorpe, 1993
Buku Referensi
edited by Peter Holloway
Currency Press, 1987
Buku Teks
Rees, Leslie, 1905-2000, author
Angus and Robertson, 1953
Buku Teks
Rees, Leslie, 1905-2000, author
Angus & Robertson, 1973
Buku Teks