Ik-han Ch'oe

• "Yŏyudang chŏnsŏ" rŭl tokham
• Chosŏn myŏngjangjŏn
• Chosŏn sahoe chŏngch'aeksa
• Sirhakp'a wa Chŏng Ta-san
• Yŏnchʻulbu, chejakpu ka kkok araya hal yŏnghwa huban chagŏp
• Yŏnghwa pyŏnbang esŏ yŏnghwa mandŭlgi