Ch'ŏnjae chakkokka Yi Mun-gŭn sinbu wa Poribat chakkokka Yun Yong-ha SŏnsaengYong-hak Ch'oe · First published 2020Open the Tome
Ch'ŏngsonyŏn ŭl wihan iginŭn Chŏng Chu-yŏng chiji annŭn Yi Pyŏng-ch'ŏl / Pak Sang-haSang-ha Pak · First published 2014Open the Tome
Guang yi ha mi dun xi tong li lun ji qi ying yongLi ji bin, Zhao xiao hua, Liu zheng rong · First published 2007Open the Tome
