Gokusō no jiyū minkenshatachi
Subtitle: Hokkaidō Shūchikan no setchi
By: Tomono Sotokichi cho
Series: Miyama sōsho -- 5; Miyama sōsho -- 5.
Publisher: Miyama Shobō
Published: 1972
Place of publication: Sapporo
Language: jpn
Number of pages: 180
Subjects: Political prisoners; Prisons; History