Yi, Chŏng-hŭi

1953

• Hyŏndae chŏngchʻi sasang kwa Hanʼgukchŏk suyong
• Hyŏndae kukche chŏngchʻi iron kwa Hanʼgukchŏk suyong
• Hyŏndae pigyo chŏngchʻi iron kwa Hanʼgukchŏk suyong
• Iik chiptan chŏngch'i