Tz‘u hai, 1979 p. 4196 (Hsi-k‘ang; name of a province; est. 1928 as Hsi-k‘ang sheng; 1955 abolished; merged with Szechwan Province and Hsi-tsang tzu chih ch‘ü)
Kung fei hsing cheng ch‘ü hua hsien chuang chi ch‘i yen pien, 1961 p. 14 (Hsi-k‘ang sheng; abolished 1955)
Lippincott gaz., 1966 p. 1766 (Sikang, or Hsi-k‘ang, province of SW China)