北緯四十度線
Subtitle: yugyŏk Paengma Pudae chŏnsa
Publisher: Yugyŏk Paengma Pudae Chŏnsa Chʻulpʻansa
Published: 1968
Place of publication: Sŏul
Language: kor
Number of pages: 359
Subjects: Korean War, 1950-1953; Underground movements
Other titles: Pugwi sasipto sŏn
Notes: In colophon: Chŏjak kyŏm parhaengin Kim Kyŏl.