1. Thai primary archival sources.
2. Chodmaihed Rama III (C.S. 1186) (A.D. 1824‐1825), No. 31: Suai‐akorn Account: Huameaung Mahadthai C.S. 1186) reproduced in Panyangam, P. (Ed.) (1987) Chodmaihed Rama III, Vol. 1, Hanghoonsuansamun‐nitibookkon‐sahaprachaphanid, Bangkok, pp. 85‐9.
3. Chodmaihed Rama III (C.S. 1202) (A.D. 1840‐1841), No. 168: Account of Money, Gold Suai and Other Types of Suai from Various Huameaung to the Krom Phraklang Sinkha.
4. Chodmaihed Rama IV (C.S. 1213) (A.D. 1851‐1852) No. 119: Daily Cardamom Suai Account of the Krom Phraklang Sinkha.
5. Chodmaihed Rama IV (C.S. 1226) (A.D. 1864‐1865), No. 316: Tribute Account from Dependent States: Meaung Luang Phrabang.