DJVU PDF Brereton, B. 1986, "Images of heaven and hell in Thai literature and painting", in A Conference on Thai Studies In Honor of William J. Gedney, ed. R.J. Bickner et al., Ann Arbor, Michigan, pp. 41-56. Center for South and Southeast Asian studies, the University of Michigan. cite.

DJVU PDF Gosling, B. 1986, "Inscriptions and art history: the case of Sukhothai's Inscription II", in A Conference on Thai Studies In Honor of William J. Gedney, ed. R.J. Bickner et al., Ann Arbor, Michigan, pp. 149-158. Center for South and Southeast Asian studies, the University of Michigan. cite.

DJVU Luce, G.H. undated, "Essay concerning religion and art/iconography (typescript)", in Luce Collection, MS 6574-7, pp. 009-038. National Library of Australia. cite.

DJVU PDF Pirya Krairiksh. 1991, "Towards a revised history of Sukhothai art: a reassessment of the inscription of King Ram Khamhaeng", in The Ram Khamhaeng Controversy, ed. J.R. Chamberlain, pp. 53-160. 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.