Tsing-hai

However, our aid to the soldiers and other wounded during the rebellion, was so much appreciated, that we felt if any one could procure a passport from this man we were in a good position to do so. He was very friendly indeed, but said much as he would like to help us he had not the power to give us a passport, because our Chinese ones were only for the Sze Chuan and Kansu provinces, and advised us that the next passport we applied for at Shanghai or Pekin should be made out for Kansu and the Tsing-hai or Koko-nor, and upon it he could then give us one in Tibetan which would enable us to travel in safety.

1901, Susie Carson Rijnhart, “Toward the Tibetan Capital”, in With the Tibetans in Tent and Temple: Narrative of Four Years' Residence on the Tibetan Border, and of a Journey into the Far Interior, Fleming H. Revell Company, →OCLC, page 196

In 1512 the great headman of the Meng-gu (Mongols), I-bu-la, followed by the tribe A-rh-tʽu-sz’, after making himself master of Tsʽing hai (Kukenor), ravaged also Kʽü-sien, and destroyed the military administration there.

[1910, E. Bretschneider, “Chinese Intercourses with the Countries of Central and Western Asia during the Fifteenth and Sixteenth Centuries”, in Mediæval Researches from Eastern Asiatic Sources, volume II, London: Kegan Paul, Trench, Trübner & Co., Ltd., →OCLC, page 211