人間의第四革命
Subtitle: Hŏ Hyŏn Kyosu nonjip
Publisher: Hŏ Hyŏn Kyosu Yugo Munjip Kanhaenghoe
Published: 1967
Place of publication: n.p.
Language: kor; eng
Number of pages: 466
Other titles: Inʾgan ŭi chesa hyŏngmyŏng
Notes: Korean or English.