Chōsen kaikaha senshūOk-kyun Kim, Yŏng-hyo Pak, Yu, Kil-chun, Tatsuhiko Tsukiashi · First published 2014Open the Tome
Hanʼguk ŭi kŭndae sasangOk-kyun Kim, Yi, Min-su, Yun, Nam-han, Wŏn-sŏp Yi · First published 1983Open the Tome