Peter Jenks and Pittayawat Pittayaporn. Kra-Dai Languages. Oxford Bibliographies in “Linguistics”, Ed. Mark Aranoff. New York: Oxford University Press.
Blench, Roger. 2008. The Prehistory of the Daic (Tai-Kadai) Speaking Peoples. Presented at the 12th EURASEAA meeting Leiden, 1–5 September 2008. (PPT slides)
Blench, Roger (2018). Tai-Kadai and Austronesian are Related at Multiple Levels and their Archaeological Interpretation (draft). The volume of cognates between Austronesian and Daic, notably in fundamental vocabulary, is such that they must be related. Borrowing can be excluded as an explanation
Liang Min 梁敏 & Zhang Junru 张均如. 1996. Dongtai yuzu gailun 侗台语族概论 / An introduction to the Kam–Tai languages. Beijing: China Social Sciences Academy Press 中国社会科学出版社. ISBN 9787500416814
Luo, Yongxian. 2008. Sino-Tai and Tai-Kadai: Another look. In Anthony V. N. Diller and Jerold A. Edmondson and Yongxian Luo (eds.), The Tai-Kadai Languages, 9-28. London & New York: Routledge.