Hwan-guk Chŏng

• Chŏngbon Han'guk yadam chŏnjip
• Chʻogi sosŏlsa ŭi hyŏngsŏng kwajŏng kwa kŭ chŏbyŏn
• Han'gukhak ŭi haksulsachŏk chŏnmang
• Yŏkchu sindan kongan (Yŏkchu sindan kongan)