(Ch‘ung-chen) Lien-chou fu chih. (Yung-cheng) Ling-shan hsien chih, 1992 t.p., 2nd work (Ling-shan hsien) p. 277 (pref: located in the edge of Yüeh [Kwangtung Province])
Chung-hua jen min kung ho kuo hsing cheng ch‘ü hua chien ts‘e, 1983 p. 55 (located in the Ch‘in-chou ti ch‘ü of Kwangsi Chuang Autonomous Region)
Tz‘u hai, 1979 p. 2439 (Ling-shan; name of a county, in the southern part of Kwangsi Chuang Autonomous Region; called Nan-pin hsien in Sui; changed name to Ling-shan hsien in Tang, under Kwangtung Province; 1952 changed jurisdiction to Kwangsi; 1955 changed it back to Kwangtung; 1965 put it under the administration of Kwangsi Chuang Autonomou Region)