이것　이　나　의　간증　이요　
Subtitle: 50-yŏngan sŏngyo hwaltong ŭi pal chachʻwi
By: chŏja Ko Yŏng-gŭn
Edition: Chʻopʻan.
Publisher: Mongmin Chʻulpʻansa; Chʻwigupchʻŏ bHanʼguk Mongmin Sŏnʼgyohoe
Published: 2002
Place of publication: Sŏul-si
Language: kor
Number of pages: 425
Subjects: Clergy; Biography; Missionaries
Other titles: Igŏt i na ŭi kanjŭng iyo