Graphical representation of the Phags-pa Unicode block
Phags-pa is a Unicode block containing characters from the 'Phags-pa script promulgated as a national script by Kublai Khan, the founder of the Yuan dynasty. It was used primarily in writing Mongolian and Chinese, although it was intended for the use of all written languages of the Mongol Empire.
Chen, Zhuang; Jia, La Sen; He, Xi Ge Du Ren; Tumurtogoo, Domi; Everson, Michael; Sekiguchi; Constable, Peter; Whistler, Ken; Freytag, Asmus (2004-06-22), Consensus on the encoding of the Phags-pa script in the PDAM code chart
Umamaheswaran, V. S. (2014-01-28), "11.1.2 Presentation of Vertical scripts (Mongolian and Phags-pa)", Unconfirmed minutes of WG 2 meeting 61, Holiday Inn, Vilnius, Lithuania; 2013-06-10/14