Akita-ken shakai undōshi shiryō
Subtitle: Taishō Shōwa hen
By: Ozawa Michio hen
Publisher: Akita-ken Shakai Undōshi Shiryō Kankōkai; Mishima Shobō
Published: 1980
Place of publication: Akita-shi
Language: jpn
Subjects: Sources; History; Socialism; Labor unions; Labor movement
Notes: Cover title.