M.  Pickersgill and Drewes, R., ?Phrynobatrachus dalcqi?, In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.2. , 2004.

R.  Drewes and Pickersgill, M., ?Phrynobatrachus dendrobates?, In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.2. , 2004.

R.  Drewes, ?Phrynobatrachus dispar?, In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.2. , 2004.

R.  Drewes, Pickersgill, M., and Lötters, S., ?Phrynobatrachus graueri?, In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.2. , 2004.

R.  Drewes, Howell, K., and Lötters, S., ?Phrynobatrachus irangi?, In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.2. , 2004.

C.  Msuya, Howell, K., Pickersgill, M., Drewes, R., and Lötters, S., ?Phrynobatrachus keniensis?, In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.2. , 2004.

C.  Msuya, Howell, K., Lötters, S., Pickersgill, M., and Drewes, R., ?Phrynobatrachus kinangopensis?, In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2, 2004.

S.  Lötters, Drewes, R., and Pickersgill, M., ?Amietia wittei?, In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2., 2004.

R.  Drewes and Channing, A., ?Arthroleptis lameerei?, In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.2. ., 2004.

R.  Drewes, ?Phrynobatrachus leveleve?, In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.2. , 2008.