Levathes, Louise, author
Oxford University Press, 1994
Buku Teks
Thayer, CHarles W.
Time Inc., 1962
Buku Teks
Creel, George, 1876-1953, author
Bobbs-Merrill, 1949
Buku Teks
Acton, Edward
Longman, 1986
Buku Teks
Deutscher, Isaac
Oxford University Press, 1967
Buku Teks