DJVU PDF Woodward, H.W.Jr. 1991, "Ram Khamhaeng's inscription: the search for context", in The Ram Khamhaeng Controversy, ed. J.R. Chamberlain, pp. 419-438. The Siam Society. cite.

DJVU PDF Woodward, H.W.Jr. 1986, "The movement of Thai speakers from the tenth through the fourteenth centuries: an art historian's view", in A Conference on Thai Studies In Honor of William J. Gedney, ed. R.J. Bickner et al., Ann Arbor, Michigan, pp. 247-256. Center for South and Southeast Asian studies, the University of Michigan. cite.