Hanʼguk hugi kusŏkki ŭi chejak kipŏp kwa pʻyŏnnyŏn yŏnʼguYong-jun Chang · First published 2007Open the Tome
Changkʻong Sŏnsaeng ŭi pangmulgwan sok e sumŏ innŭn uri munhwa iyagiYong-jun Chang · First published 2006Open the Tome
