Po-san Yu

• Hanʼguk chonggyo
• Pŏm-Han taejo Imnŭnggagyŏng sigyukp'um yŏn'gu
• Pulgyo iyagi yumŏ
• Pulgyo sŏngjŏn
• Pultʻa ŭi Aham sasang
• Pultʻa ŭi panya sasang