青園二十年史
By: Chʻŏngwŏn Haktang Isimnyŏnsa Pʻyŏnchʻan Wiwŏnhoe pʻyŏnchʻan
Published: 1972
Place of publication: Sŏul : s.n.
Language: kor
Number of pages: 311
Subjects: Pʻungin Kungmin Hakkyo; Tongdaemun Chung Hakkyo; Tongdaemun Sangŏp Kodŭng Hakkyo
Other titles: Chʻŏngwŏn isimnyŏnsa