"About South Tibet" (in Chinese). 21cn.com (China Telecom). 18 November 2008. Archived from the original on 22 January 2012. Retrieved 18 February 2012.
"Burma–China Boundary", International Boundary Study, United States Department of State, 1964 – via archive.org: "In negotiating a boundary between British India and Tibet, the line was drawn to include Burma as far east as the Isu Razi pass, south of the Taron River near the Irrawaddy-Salween watershed."
Addis, J. M. (April 1963), The India–China Border Question(PDF), Harvard University, p. 27, archived(PDF) from the original on 9 July 2021, retrieved 6 July 2021
Addis, J. M. (April 1963), The India–China Border Question(PDF), Harvard University, p. 27, archived(PDF) from the original on 9 July 2021, retrieved 6 July 2021
"About South Tibet" (in Chinese). 21cn.com (China Telecom). 18 November 2008. Archived from the original on 22 January 2012. Retrieved 18 February 2012.