Scott, Ernest
Oxford University Press, 1953
Buku Teks
edited by Gordon Greenwood
Angus and Robertson, 1955
Buku Teks
edited by Gordon Greenwood
Angus and Robertson, 1969
Buku Teks
Younger, R. M.
Victoria Hutchinson Group 1982
Buku Teks
Clark, Manning, 1915-1991
New American Libray, 1980
Buku Teks