Pak Hong-gyu hyŏngisanghak ŭi segyeT'ae-su Yi, Ku-byŏng Yun, Yŏng-jin Song, Hŭi-yŏng Pak, Chŏng-ho Yi, Su-gyun Yŏm · First published 2015Open the Tome
Kkaedarŭm, kunggŭk in'ga kwajŏng in'gaChun-yong Chŏng, Ho-gwi Kim, Tʻae-wŏn Pak, Hae-yŏng Sŏng, Ho-gyun Yun · First published 2014Open the Tome