Litteratur
Numismatic Literatue, India, incl. Sarasan, B., Traversing Travancore through the Ages on Coins; Tye, R., Jitals; Mitchiner, M., Coin Circulation in Southernmost India; Amiteshwar, J., Rajgor, D., Studies in the Coinage of the Western Ksatrapas; Herrli, H., Gold Fanams 1336-2000. (6)