Frost, Darrel R. (2013). "Geobatrachus Ruthven, 1915". Amphibian Species of the World 5.6, an Online Reference. American Museum of Natural History. Retrieved 18 September 2013.
Frost, Darrel R. (2013). "Geobatrachus walkeri Ruthven, 1915". Amphibian Species of the World 5.6, an Online Reference. American Museum of Natural History. Retrieved 18 September 2013.