Hanʾguk sahoe palchŏn yŏnʾguYong-ha Sin, Chŏng-gu Kang, Chin-sŏng Chŏng · First published 2003Open the Tome
Getsueikan shintei kindai Chūgoku kaigaHa-gu Kang, Takeyoshi Tsuruta, Kazumasa Ichikawa · First published 1984Open the Tome