DJVU PDF Gedney, W.J. 1989, "Future directions in comparative Tai linguistics", in Selected Papers on Comparative Tai Studies, ed. R.J. Bickner et al., pp. 7-116. Center for South and Southeast Asian studies, the University of Michigan. 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.