MEMORY OF THE WORLD REGISTER: Thai Laws and Proclamations on the Abolition of Slavery (1874-1911), Ref N° 2006-45, retrieved 2007-12-20 Official website (in Thai)
MEMORY OF THE WORLD REGISTER: Thai Laws and Proclamations on the Abolition of Slavery (1874-1911), Ref N° 2006-45 공식 웹사이트