O-bok Kwŏn

• Chungguk ŭi kyŏngje sŏngjang kwa Hanʼguk nongŏp, nongchʻon ŭi saeroun kihoe
• Nongsikp'um R&D chŏnmang kwa chŏngch'aek kwaje
• Sangŏp tŭnggi
• 수헌집 / 권오복著