Pukhak sasang ui chorhakchok kiban kwa kundaejok songkyokIn-gyu Kim · First published 2000Open the Tome
Hanʼgugin moyu ŭi tanbaekchil mit chʻŏl hamnyang e kwanhan yŏnʼgu oe pu nonmun 3-pʻyŏnIn-gyu Kim · First published 1972Open the Tome