貞和五十年史
By: Chŏnghwa Osimnyŏnsa Pʻyŏnchʻan Wiwŏnhoe pʻyŏnjip
Publisher: Chŏnghwa Osipchunyŏn Kinyŏm Saŏphoe
Published: 1958
Place of publication: Sŏul
Language: kor
Number of pages: 263
Subjects: Chŏnghwa Yŏja Chunghakkyo, Seoul, Korea; Chŏnghwa Yŏja Sangŏp Kodŭng Hakkyo, Seoul, Korea
Other titles: Chŏnghwa osimnyŏnsa