Central Thailand (Siam)
The date of first compilation is unknown. Its content strechtes from 500 AD down to early 11th century. The recent edition was compiled in early Ratanakosindra period
There are hundred of stone inscriptions that were contemporary with the existence of Sukhothai kingdom, among the most important inscription are Silajaruek Pokhun ramkamhaeng (Stone Inscription of King Ramkamhaeng), Silajaruek Wat Srichum an account on history of the region itself and of Srilanka, Silajaruek Wat pamamuang Politico-Religious record of King Lithai
there are about 7 editions of historical record on Ayutthaya kingdom
Northern Thailand (Lannathai)
Probably started in the late 15th century and enlarged with every copying of the palm leaves manuscript. Current version is from 1828, english translation available as ISBN 9747100622.