A.  Channing and Howell, K., Amphibians of East Africa. Ithaca: Comstock Pub. Associates/Cornell University Press, 2006, p. 418 p., [24] p. of plates.

E. B.  Harper, Measey, G. J., Patrick, D. A., Menegon, M., and Vonesh, J. R., Field Guide to Amphibians of the Eastern Arc Mountains and Coastal Forests of Tanzania and Kenya. Nairobi, Kenya: Camerapix Publishers International, 2010, p. 320.