M. J.  Largen, ?The status of the genus Phrynobatrachus Gunther 1862 in Ethiopia and Eritrea, including description of a new species (Amphibia Anura Ranidae)?, Tropical Zoology, vol. 14, pp. 287-306, 2001.

M. J.  Largen, ?Catalogue of the amphibians of Ethiopia, including a key for their identification?, Tropical Zoology, vol. 14, pp. 307-402, 2001.