갇힌自由人, 열린囚人
Subtitle: kusok haksaeng dŭl ŭi okjung sŏganjip
By: Kim Chʻun-ok yŏkkŭm
Publisher: Kongdongchʻe
Published: 1986
Place of publication: Sŏul
Language: kor
Number of pages: 287
Subjects: Prisoners; Letters; Students; Political activity
Other titles: Kachʻin chayuin, yŏllin suin