U-gyŏng Yi

1949

• Hanʾguk sanmun ŭi hyŏngsik kwa silche
• Hanʾguk ŭi ilgi munhak
• Param ŭi hyanggi
• Pŏpkugyŏng
• Samguk sagi yŏlchŏn saero ilki
• Tungji t'ŭnŭn sae muŏl ch'annŭn'ga