Kyŏng-yo Sŏ

• Chosŏnjo yuhakcha ŭi chungyong ilki
• Han'gugin ŭi hyogyong munhwa
• Hanʾguk Yugyo chisongnon
• Sam ŭi munŭi sewŏ ssŭgi
• Yuga sasang ŭi inmunhakchŏk sumkyŏl
• Yugyo inmunhak ŭi yeak munhwa
• Yugyo sasang ŭi ponjil kwa hyŏnjaesŏng