Khamʻaphiprāi rư̄ang silāčhārưk Sukhōthai lak thī 1

Debate on authenticity of first stone inscription of Sukhothai, popularly known as that of Ramkhamhǣng, King of Sukhothai, d. ca. 1300, central to current teaching about evolution of Thai writing system; organized by Siam Society, 4 March 1989.