History of Laos. From the days of Nan-Chao right down to the present day showing how the Thai/Lao were split up into various branches, covering the present area of the South China down to Malaysia in the South and from Assam in the West to Tongking and even Hainan in the East - Manich Jumsai, M L. 1908- (Chalermnit, 1971)