DJVU PDF Benedict, P.K. 1997, "Tai Languages: Key to Austro-Tai", in Southeast Asian Linguistics Studies In Honor of Vichin Panupong, ed. A.S. Abramson, pp. 25-28. Chulalongkorn University Press. cite.

DJVU PDF Diffloth, G. 1977, "Mon-Khmer initial palatals and “substratumized” Austro-Thai", in The Mon-Khmer Studies Journal, vol. 6, pp. 39-57. cite.

DJVU PDF Gedney, W.J. 1989, "On the Thai evidence for Austro-Tai", in Selected Papers on Comparative Tai Studies, ed. R.J. Bickner et al., pp. 117-164. Center for South and Southeast Asian studies, the University of Michigan. cite.

DJVU PDF Hogan, L.C. 1992, "A comparison of reconstructed Austronesian, Old Chinese, and Austro-Thai", in Linguistics of the Tibeto-Burman Area, vol. 16, no. 2, pp. 1-55. cite.