Literature
- Das, I. 1991. Colour guide to the turtles and tortoises of the Indian subcontinent. R&A, Publ. Avon, England. 133 pp.
- Das, I. 1995. Turtles and tortoises of India. Oxford Univ. Press, Bombay. 179 pp.
- Gray, J. E. 1831b. Synopsis Reptilium or short descriptions of the species of reptiles. Part 1. Cataphracta, tortoises, crocodiles, and enaliosaurians. London. 85 pp.
- McDowell, S. B. 1964. Partition of the genus Clemmys and related problems in the taxonomy of the aquatic Testudinidae. Proc. Zool. Soc. London 143: 239-279.
- Pritchard, P. C. H. 1979. Encyclopedia of turtles. T. F. H. Publ., Inc., Neptune, New Jersey. 895 pp.
- Rotmans, H. J., and A. C. Rotmans-Zwaal. 1994. Een geslaagde kweek van de driekielstraalschildpad (Geoclemys hamiltonii). Lacerta 53(1): 11-17.