Chu-hwan Chʻa

• Chungguk munhak ŭi hyangyŏn
• Chungguk siron
• Hanʼguk ŭi Togyo sasang
• Hanʾguk Togyo sasang yŏnʾgu
• Koryŏ Tangak ŭi yŏnʼgu
• Sŭpʻidŭ saenghwal okpʻyŏn
• Tongyang ŭi chihye