Mun-sik Ha

1959

• Kijŏn chiyŏk ŭi ch'ŏngdonggi sidae mudŏm yŏn'gu
• Ko Chosŏn chiyŏk ŭi koindol yŏnʾgu
• Kojosŏn saramdŭl i chamdŭn mudŏm
• Pimujang chidae Torasan yujŏk
• Sejong