Schwarz, E. H. L. (1915). New Cretaceous fossils from Brenton, Knysna. <em>Records of the Albany Museum.</em> 3, 120-126.[details]
MolluscaBase eds. (2025). MolluscaBase. Trigonia kitchini E. H. L. Schwarz, 1915 †. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1504404 on 2025-05-09
Marine Species Traits editorial board (2025). Marine Species Traits. Trigonia kitchini E. H. L. Schwarz, 1915 †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1504404 on 2025-05-09