Yŏng-gyo Sŏ

1967

• Chŏnjaeng kihoekchadŭl
• Haelli hyesŏng kwa Silla ŭi wangwi chaengt'aljŏn
• Kodae Tong Asia segye taejŏn
• Koguryo, chŏnjaeng ŭi nara
• Na-Tang chŏnjaengsa yŏnʾgu
• Silla kunsasa sinyŏn'gu
• Sillain iyagi