Senkō
Subtitle: Bei-So jōhōsen to dosanko nōgakusha
By: Kosaka Yōsuke cho.
Series: Dōshin sensho -- 32
Publisher: Hokkaidō Shinbunsha
Published: 1997
Place of publication: Sapporo-shi
Language: jpn
Number of pages: 215
Subjects: Sugawara, Michitarō, -- 1899-1984.; Intelligence service -- Soviet Union.; Intelligence service -- United States.