James George Scott,
1911 Encyclopædia Britannica
(1911)
“ Race and Language.—According to the census of 1901 there were 787,087 Shans (see above) in Burma. The Thai or Tai, as they call themselves, were first known to the Burmese as Tarôks or Tarets. The original home of the Thai race was S.W. China, or rather that was the region where they attained to a marked separate development as a people. It is probable that their first settlement in Burma proper was in the Shweli valley, and that from this centre they radiated at a comparatively recent date N., W. and S.E. through Upper Burma into Assam. ”
