Kyŏngae hanŭn Kim Il-sŏng tongji nŭn chaju sidae hyŏngmyŏng ŭi widaehan suryŏngYong-nak Kim · First published 1992Open the Tome
Segye yŏnʼgŭk sok ŭi Hanʼguk hŭigok ŭi wisang kwa hyangbangKim, Yong-nak · First published 1999Open the Tome
Uri tang i sahoejuŭi, kongsanjuūi kŏnsŏl esŏ kyŏnjihago innŭn chŏllyakchŏk nosŏnYong-nak Kim · First published 1990Open the Tome