J. C.  Poynton, ?Amphibians of southeastern Tanzania, with special reference to Stephopaedes and Mertensophryne (Bufonidae)?, Bulletin of the Museum of Comparative Zoology, vol. 152, pp. 451-473, 1991.

N. I.  Passmore and Carruthers, V. C., South African Frogs: A Complete Guide. Cape Town, South Africa: Southern Book Publishers and Witwatersrand University Press, 1995.

N. I.  Passmore and Carruthers, V. C., South African Frogs: A Complete Guide, 2ndnd ed. Johannesburg: Southern Book Publishers and University of the Witwatersrand Press, 1995.

M.  Mohneke, Onadeko, A. B., Hirschfeld, M., and Rödel, M. - O., ?Dried or Fried: Amphibians in Local and Regional Food Markets in West Africa?, TRAFFIC Bulletin, vol. 22, pp. 117-128, 2010.

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.