Ok-sin Han

1920

• Hyŏndae hyŏngsa pŏphak ŭi kwaje
• Kanchʻŏp chaepʻan ŭi pʻandan kwa sasang
• Kukka poanpŏp panʼgongpŏp kaesŏl
• 間諜裁判의判斷과思想