found: Work cat.: 2008700165: Yun, Yong-tʻaek. Chejudo sin, kugan pʻungsok yŏnʼgu, 2008.
found: GEOnet, July 18, 2008(Cheju-do, ISL, 33°24ʹ06ʺN 126°32ʹ46ʺE; variants: Tamna, Tsitcheou-tao, Tse-Tsiu, Tsche-dschu, Quelpart Island, Jeju Island, Saishū-tō, Saisyū, Cheju-do,Cheju)
found: Hanʼguk minjok munhwa taebaekkwa sajŏn, 1991:v. 20.
found: Chejuinfo.net WWW homepage, July 18, 2008(Cheju Island)
found: Wikipedia WWW homepage, July 18, 2008(Cheju Island (Korea); Largest island of South Korea; part of Cheju-do which has the name changed from "Cheju-do [Cheju Province] (Korea )" to "Cheju Tʻŭkpyŏl Chachʻido [Cheju Special Self-Governning Province] (Korea) in 2006)
