1. A comparative study of the herpetological faunae of the Uluguru and Usambara Mountains, Tanganyika Territory, with description of new species;Barbour;Memoirs of the Museum of Comparative Zoology, Harvard,1928
2. An annotated type cataologue of the caecilians and salamanders (Amphibia: Gymnophiona and Caudata) in the Zoological Museum, Berlin;Bauer;Mitteilungen aus dem Museum für Naturkunde in Berlin,1993
3. Third report on additions to the batrachian collection in the Natural History Museum;Boulenger;Proceedings of the Zoological Society of London,1894
4. Could a cladogram this short have arisen by chance alone?: On permutation tests for cladistic structure;Faith;Cladistics,1991
5. Report on the collection of reptiles and fishes made by Dr. J. W. Gregory during his expedition to Mt. Kenia;Günther;Proceedings of the Zoological Society of London,1894