Title: Idu charyo sŏnjip /
Authors: Han'gukhak Munhŏn Yŏn'guso
Publisher: Asea Munhwasa,
Year: 1975
Subjects: Korean language Writing Idu.; Korean language
Contents: Yusŏ pʻilchi -- Ŏrok pyŏnjŭng sŏl -- Imun -- Na Yŏ Idu --Idu pʻyŏnnam -- Imun chipnye -- Idu chipsŏng.