Ryan M. Kasak. 2016. "A distant genetic relationship between SiouanCatawban and Yuchi." In Catherine Rudin and Bryan J. Gordon (eds.), Advances in the study of siouan languages and linguistics, 5–39. Berlin: Language Science Press. DOI:10.17169/langsci.b94.120 https://library.oapen.org/bitstream/id/be94144a-3e4f-4913-9089-2bcfe5bd0879/611691.pdf