Connolly, M. 1939. A Monographic survey of South African non-marine Mollusca. Annals of the South African Museum 33:1-660.
Herbert, D.G. and Kilburn, R.N. in prep. A field guide to the snails and slugs of eastern South Africa
IUCN. 2004. 2004 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 23 November 2004.
|Citation:||Herbert, D.G. 2004. Trachycystis clifdeni. The IUCN Red List of Threatened Species 2004: e.T44710A10938455. . Downloaded on 25 May 2016.|
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