Damle, Y.B.
Mass Center for International Studies M.I.T. , 1955
Buku Teks
Ishwaran, Karigoudar, author
Westview Press, 1992
Buku Teks
Bharatiya Vidya Bhavan, 1963
Buku Teks
Hutton, J.H.
Cambridge University Press , 1946
Buku Teks
Kar, Chintamoni
Alec Tiranti, 1950
Buku Teks