Gyeonggi-do Police. “Suspect Examination.” Microfilm 7718, Gyeonggi, National Institute of Korean History, 1939, p. 289.
Choi Bok-su. “Application for bail.” Microfilm 7719, Gyeonggi, National Institute of Korean History, 1941, p. 205.
Gyeong-seong District Court. “Written notifications for bail.” Microfilm 7719, Gyeonggi, National Institute of Korean History, 1941, p. 210.
Gyeong-seong District Court. “Written notifications for release.” Microfilm 7719, Gyeonggi, National Institute of Korean History, 1941, p. 212.
Chief Officer of Opo-myeon Huangju-gun. “Family Registry.” Microfilm 7719, Gyeonggi, National Institute of Korean History, 1941, p. 232.