BioStor
 | Supplementary catalogue of type specimens of reptiles and amphibians in Field Museum of Natural History Hymen Marx (1976) Fieldiana (Zool.) 69(2): 33-94 |
 | A phylogenetic analysis of the Hyperoliidae (Anura): Treefrogs of Africa, Madagascar, and the Seychelles Islands Robert C Drewes (1984) Occ. Pap. California Acad. Sc. 139: 1-70 |