Ik-che O

• Chŏlse ŭi wiin ŭl urŏrŏ
• Chʻŏndogyo kaegwan
• Chʻŏndogyo undong yaksa
• Chʻŏndogyo yoŭi
• Hyŏnse ŭi hanullim
• Hyŏnse ŭi hanullim
• Wiin kwa na ŭi unmyŏng