Kychanov E.I. The Tangut Collection of the Institute of Oriental Manuscripts: History and Study // Russian Expeditions to Central Asia at the Turn of the 20th Century / Collected articles. Edited by I.F. Popova. St Petersburg, Slavia Publishers, 2008. P. 130-147.
The Tangut Collection of the IOM RAS originated from the dead city called Khara-Khoto by the Mongols, Heishuicheng by the Chinese and Ejina by the Tanguts themselves.
The ruins of Khara-Khoto are located at a distance
of about 40 km from the a ima g (district) Ejina of the Autonomous
Province of Inner Mongolia in the People’s Republic of China...