Yŏng-gu Pak

1959

• Han'guk ŭi chunghwahak kongŏphwa
• Han'guk ŭi chunghwahak kongŏphwa kongŏppyŏl yŏn'gu
• Hanʼguk chunghwahak kongŏphwa yŏnʼgu chʻongsŏl