Chong-guk Pak
1935
Chŏsŏn Wangjo sillok- Hanʼgugŏ paltalsa
- Hunmin chŏngŭm chonghap yŏnʼgu
- Kyore ŭi kʻŭn sŭsŭng Sejong Songwang
- Malbon sajŏn
- Pŏp kwa sahoe
- Sejong chŏngsin
- Sejong Taewang Kinyŏm Saŏphoe 25-yŏnsa
- Sejong Taewang kwa Hunmin chŏngŭm
- Uri kugŏhaksa
- Yŏkchu Pulsŏl Amit'agyŏng ŏnhae
- Yŏkchu Pulsŏl taebo pumo ŭnjunggyŏng ŏnhae