Spinks, Charles Nelson. “Thai cover bowls of the fourteenth and fifteenth centuries (Sawaddi 3/2 Nov-Dec 1964, pp. 13-19, 26)”. The Journal of the Siam Society 96 (November 29, 2008): 229–239. accessed October 4, 2026. https://so06.tci-thaijo.org/index.php/pub_jss/article/view/158112.