BioStor
 | LX.—Additions to the non-marine molluscan fauna of British and German East Africa and Lake Albert Edward H B Preston (1910) Ann. Mag. nat. Hist. 6: 526-536 |
 | A revised reference list of South African Non-marine Mollusca; with descriptions of new species in the South African Museum M Connolly (1912) Cape Town Annals S African Museum 11: 59-306 |