Kotmāi Trā Sām Dūang
Winai Phongsīphīan
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Siam Sources History
Commentary on the text of Laws of the Three Seals or Kotmai Tra Sam Duang, a popular appellation given to a corpus of traditional laws of Thailand compiled in 1805 by the order of Phuttayotfa Chulalok or King Rama I of Siam.