Scott, Ernest
Oxford University Press, 1920
Buku Teks
Scott, Ernest
Oxford University Press, 1935
Buku Teks
Clark, Manning, 1915-1991
New American Libray, 1980
Buku Teks
edited by Gordon Greenwood
Angus and Robertson, 1969
Buku Teks
Younger, R. M.
Victoria Hutchinson Group 1982
Buku Teks