Sasang ŭihak wŏllon
Subtitle: wŏnmyŏng, Tongŭi suse powŏn
By: Yi Che-ma wŏnjŏ ; Hong Sun-yong, Yi Ŭr-ho yŏksul
Edition: Chʻop'an
Publisher: Sumunsa
Published: 1973
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 407
Work titles: Tongŭi suse powŏn