Title: Sŏnsa (sŏnijŏl) e kwanhan yŏnʾgu (ilmyŏng Hŭiguksa) /
Authors: Yun, Pyŏng-jun.
Publisher: Ŭmsŏng-gun Hyangtʻo Munhwa Yŏnʾguso,
Year: 1967
Subjects: Sŏnsa (Ŭmsŏng-gun, Korea)