Tchakp'aeSŭng-wan Yu, Wŏn-jae Yi, Chŏng-min Kim, Hye-jŏng Kang, Tu-hong Chŏng, Pŏm-su Yi · First published 2007Open the Tome
Palchŏn tosang kuk ŭi tosŏgwan ; Palchŏn tosang kuk ŭi tosŏgwanjikLester Asheim, Chong-gŭn Kim, Tu-hong Kim, Pʻil-mo Chŏng · First published 1970Open the Tome