Chŏng-hwa Sŏ

1946

• Hakkyo kyŏngyŏng ŭi iron kwa silche
• Han'guk kyoyuk chŏngch'aek hyŏnan kwa haepŏp
• Han'guk kyoyuk ŭi sae chip'yŏng
• Han'guk ŭi myŏngp'um kodŭng hakkyo
• Kyoyuk insa haengjŏng