Wŏn-su Yi

1911

• Chʻoe Yŏng
• Hanʾguk chŏllae tonghwajip
• Hong Kil-dong chŏn. Kŭm Pangul chŏn
• Hŭngbu Nolbu oe
• Kamdong i hana ssik uri nara taepʻyo chʻangjak tonghwa
• Ŏrini Hanʼguk ŭi tonghwa
• Sa SSi-nam chŏnggi