found: Kuang-tung sheng ti tʻu chʻu pan she. Chiao tʻung yu lan tʻu, Hai-kʻou shih ... Haikoushi, 1987(name not given)
found: BGN letter, 7-15-88(Hainan [brief] Sheng, ADM1, 19°12ʹN, 109°36ʹE; Hainan Province was est'd on 13 April 1988; present entry: Hainan [brief] Xingzhengqu, ADM2, 20°03ʹN, 110°19ʹE)
found: Hai-nan sheng 1990 nien jen kʻou pʻu chʻa tzu liao, 1992:t.p. (Hai Nan Province)
found: U.S. Defense Mapping Agency. Hydrographic/Topographic Center. Cʼưua Nhưuong to Leizhou Bandao including Hainan Dao, 1995:map recto (Hainan Dao, China)
found: Gaz., China(Hainan Island; isl; see Hainan Dao; Hainan)
found: Web. geog.(Hainan or Hainan Tao, China)
found: LC database, 03/06/96(Hdg.: Hainan Island (China))
found: Hai-nan tsai Chung-kuo ti wei chih, 1991.
found: Hai-nan sheng ti tʻu tsʻe, 1995:cover (Hainan [in rom.])
found: GEOnet, Feb. 20, 1999(Hainan Sheng; ADM1, 10°12ʹN 109°36ʹE; variants: Hainan Province, Hai-nan hsing-cheng-chʼü, Hainan Xingzhengqu; two PPL Hai-nan also listed)
found: GeoNames, algorithmically matched, 2009(adm1; 19°12ʹ00ʺN 109°36ʹ00ʺE)
found: Google, viewed July 6, 2015(海南行政区 = Hainan Xingzhengqu, the Hainan Administrative Region, People's Republic of China old administrative divisions (sub-provincial) was established on May 31, 1984 and in 1988, the revocation of the administrative, to set up Hainan Province) - http://baike.baidu.com/view/286691.htm
