Hae-yŏng Yi

1958

• Chŏngch'aek sasang taegye
• Chŏngch'aekhak sillon
• Chŏngchʻaek kyunhyŏng iron
• Chŏngchʻaekhak sillon
• Chŏngchʻi chidoja ŭi chŏngchʻaek lidŏsip
• Sahoe kwahak yŏnʾgu pangbŏmnon
• Tachʻawŏn chŏngchʻaengnon