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Books about Gwansun:
The Patriotic Story of Martyr Gwansun Yu (2011)
Ahn Chang-ho & Yu Gwan-sun (The Academy of Korean Studies) by Kim Haewon - and Kim jongmin (2007)
Movies about Gwansun:
The Gwan-sun Yu Story 'A Little Girl's Prayer' 2014 G - Runtime: 41 mins Starring: KWON SUNDO Directed by: KWON SUNDO
Wiki information Gwansun:
Ryu Gwansun, also known as Yu Gwansun or Yoo Kwan-Soon, was an organizer in what would come to be known as the March 1st Movement against the Japanese colonial rule of Korea in South Chungcheong.