BioStor
 | A checklist of African mammals G M Allen (1939) Bulletin of the Museum of Comparative Zoology, Harvard 83: 1-763 |
 | Checklist of Palaearctic and Indian mammals 1758 to 1946 J E Ellerman and T C S Morrison-Scott (1951) |
 | Mammals of the Anglo-Egyptian Sudan Henry W Setzer (1956) Proceedings of the United States National Museum 106(3377): 447-587 |