Chʻŏr-ŭi Song

• Han'gugŏ hyŏngt'ae ŭmunnonjŏk yŏn'gu
• Hanʼguk kŭndae chʻogi ŭi ŏhwi
• Ilche singminji sigi ŭi ŏhwi
• Yŏkchu Oryun haengsilto