Title: Tongmyŏng Hagwŏn isajang Unyŏndang Yi Un-jŏng Sŏnsaeng kyoyuk kongno kinyŏm munjip
Subjects: High school principals, Biography, Tongmyŏng Yŏja Chunghakkyo (Seoul, Korea), Tongmyŏng Yŏja Kodŭng Hakkyo (Seoul, Korea)
Places: Korea (South)
People: Un-jŏng Yi (1903-)