Sōhyō sanjūnen shiryōshū
By: Nihon Rōdō Kumiai Sōhyōgikai hen
Edition: Shohan
Publisher: Rōdō Kyōiku Sentā
Published: 1986
Place of publication: Tōkyō
Language: jpn
Subjects: Sources; History; Working class; Nihon Rōdō Kumiai Sōhyōgikai
Other titles: Sōhyō 30-nen shiryōshū.