1981, “Mid-Century Rebels”, in Jeh-hang Lai, transl., edited by Patricia Buckley Ebrey, Chinese Civilization and Society: A Sourcebook, New York: The Free Press, →ISBN, →LCCN, →OCLC, →OL, page 230, column 2:
In 1856 Tu Wen-hsiu rose up in rebellion and occupied Ta-li.[…]"The conflict between the Han Chinese and the Moslems began over trifles. It has developed into a tragedy of mutual bloodletting because of poor management by the civil and military officials at Yung-ch’ang county and of Yunnan province. As a result, the mutual killing spread throughout Yunnan. The fault lies not with the people but with the officials."
The following year ten thosuand Hsiung-nu cavalry invaded Shang-ku,⁹⁶ but in 121 B.C. General Huo Ch’ü-ping, at the head of ten thousand cavalry, setting off from Lung-hsi⁹⁷ marched for over one thousand li, crossed the Yen-chih Mountains,⁹⁸ and attacked the Hsiung-nu.
⁹⁸ Mountain range located in present-day Kansu, west of Yung-ch’ang county and southeast of Shan-tan county. It was known for its excellent pastures (Chung-kuo li-shih ti-t’u chi, 2: 33–34, 3–6).
In March 1647, three years after the Manchus had first occupied Beijing, Chang Shang, the governor of Kansu Province, was on an inspection tour. By March 4 he had reached Yung-ch'ang, a county lying just within the Great Wall.
Leon E. Seltzer, editor (1952), “Yungchang or Yung-ch’ang”, in The Columbia Lippincott Gazetteer of the World, Morningside Heights, NY:Columbia University Press, →OCLC, page 2131, column 1