No.	Title	Date
1	[Official letter from Taw Sein Ko of the Office of Supdt. Archaeological Survey to C.O. Blagdgen, 1st Feb. 1910]
2	[Official letter from Taw Sein Ko of the Office of Supdt. Archaeological Survey to C.O. Blagdgen, 2nd Feb. 1910]
3	[Official letter from Taw Sein Ko of the Office of Examiner in Chinese, Burma, … 6th September 1910]
4	Original inscriptions collected by King Bodawpaya in Upper Burma and now placed near the Patodawgyi Pagoda, Amarapura
5	[Official letter from Taw Sein Ko of the Office of Supdt. Archaeological Survey, Burma, Mandalay to C.O. Blagdgen, 23rd May 1915]
6	[Official letter from Taw Sein Ko of the Office of Supdt. Archaeological Survey, Burma, Mandalay to C.O. Blagdgen, 26th June 1915]
7	[Official letter from Taw Sein Ko of the Office of Supdt. Archaeological Survey, Burma, Mandalay to C.O. Blagdgen, 23rd May 1915]
8	[Official letter from Taw Sein Ko of the Office of Supdt. Archaeological Survey, Burma, Tengyueh to C.O. Blagdgen, 25th June, 1915]
9	[List of Taungtha words as spoken in the Pauk and Gangaw subdivisions of the Pakokku District]
10	[Official letter from Taw Sein Ko of the Office of Supdt. Archaeological Survey, Burma, Mandalay to C.O. Blagdgen, 27th September 1915]
11	[Official letter from Taw Sein Ko of the Office of Supdt. Archaeological Survey, Burma, Mandalay to C.O. Blagdgen, 30 May 1915]
12	[Official letter from Taw Sein Ko of the Office of Supdt. Archaeological Survey, Burma, Mandalay to C.O. Blagdgen, 8th March 1915]
13	[Official letter from Taw Sein Ko of the Office of Supdt. Archaeological Survey, Burma, Mandalay to C.O. Blagdgen, 17 July 1919]
14	Affinity of Pyu to Tibeto-Burman languages
15	[From an official report by Taw Sein Ko on Burmese epigraphy]