Wŏnhyo sasang.
Publisher: Hongbŏbwŏn
Published: 1967
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Subjects: Wŏnhyo, 617-686.
Table of contents: title: 1. Segyegwan / Yi Ki-yŏng chŏ; title: 2. Yulligwan / Sim Chae-yŏl chŏ.