found:Pak, H. Tʻaorŭnŭn pyŏl, 1960.
found:3.1 undong ŭi ŏl Yu Kwan-sun, 2010:t.p. (유 관순 = Yu Kwan-sun) p. 173 (b. Dec. 16, 1902 in Ch'ungnam; tongnip undongga; d. 1920)
found:LC database, August 10, 2022(access point: 柳 寬順, 1902-1920 = 유 관순, 1902-1920 = Yu, Kwan-sun, 1902-1920; usage: 柳 寬順 = Yu Kwan-sun)
found:Sonyui kido, 2012 (surrogate)(Gwan-sun Yu)
found:Seth, M.J. A brief history of Korea, ©2019:page 93 (Yu Gwansun; received a scholarship to study at the American missionary-run Ewha Women's high school; became an activist when the March First Movement began and organized a demonstration in her region. When a thousand demonstrators assembled, the Japanese opened fire, killing many, including Yu's parents; Yu was arrested and offered release if she would provide the names of her fellow organizers. Yu refused and died in prison a few months later. Became a symbol of the movement and of Korean resistance to Japanese rule)
found:Wikipedia, 6 July 2022(Yu Gwan-sun (Hangul: 유관순, Hanja: 柳寬順), born December 16, 1902 in Cheonan, South Chungcheong, Korea, died September 28, 1920 in Keijo, Japanese Korea [i.e., Seoul, Korea] aged 17; Korean independence activist organizer in what would come to be known as the March First Independence Movement against Imperial Japanese colonial rule of Korea in South Chungcheong. The movement was a peaceful demonstration by the Korean people against Japanese rule. Yu became one of the most famous figures in this movement and later a symbol of Korea's fight for independence) -https://en.wikipedia.org/wiki/Yu_Gwansun
Yu Gwansun
Label from public data source WikidataYu, Kwan-sun, 1902-1920