Sŭng-guk Yu

1923

• Han'guk ŭi yugyo
• Hanguo ru xue yu xian dai jing shen =
• Hanʼguk sasang kwa hyŏndae
• Hanʼguk sasang ŭi yŏnwŏn kwa yŏksajŏk chŏnmang
• Hanʼguk Yuhaksa
• Hanʾguk ŭi yugyo
• Hasŏ Kim In-hu ŭi tohak sasang kwa hyŏndae munmyŏng
• Tongbang chʻŏrhak sasang yŏnʼgu
• Tongbang sasang nonʾgo
• Towŏn ch'ŏrhak san'go
• Yuga ch'ŏrhak kwa tongbang sasang