Sang-u An

• Chŏntʻong ŭigwahak chisik charyo hyŏndaehwa
• Haeoe esŏ chʻajanaen uri yet ŭihak chʻaek
• Kugyŏk saŭi kyŏnghombang
• Kugyŏk ŭibang happu
• Kugyŏk ŭibon. Kugyŏk pyŏlchʻo tanbang
• Sanch'ŏng Hanŭihak Pangmulgwan