Schwartz, Bernard, author
The Ronald Press, 1957
Buku Teks
Clayton, James E., author
E.P. Dutton, 1964
Buku Teks
Cox, Archibald, 1912-2004, author
Oxford University Press, 1976
Buku Teks
edited by Alan F. Westin
W.W. Norton, 1961
Buku Teks
Kamath, M. V
Indian Council for Cultural Relations, 1998
Buku Teks