Christy, Arthur
The John Day Company, 1945
Buku Teks
Kamath, M. V
Indian Council for Cultural Relations, 1998
Buku Teks
Routledge, 2014
eBooks
Cleveland, Harlan, author
McGraw-Hill, 1960
Buku Teks
edited by Ernest K. Lindley
Beacon Press, 1963
Buku Teks