Hŭi-sŏ Pak

• Chang Sang-yŏng ŭi Hobŏmnon kwa Hamhŏ Tŭkt'ong Sŏnsa ŭi Hyŏnjŏngnon
• Hanʼgŭl
• Miguk pudongsan tʻuja wa ipkuk annae
• 한글