Choeun munjang ul ssugi wihan uri mal phuri sajon = (for writing good sentences) Korean pools Dictionary

Uri mal pusa sajon

Hangugo uri mal uri gel. 2, uri mal baro ssugi

Uri mal ui tansaeng : choecho ui Kugo sajon mandulgi 50-yon ui yoksa = the birth of a Korean : the first dictionary of the language making 50 years

Uri mal kkaedarum sajon = enlightenment Korean Dictionary