Title: Sengoshi no naka no Kokutetsu rōshi
Subjects: Rōdō undō-Nihon, Employees, Kokutetsu Rōdō Kumiai (Japan), Railroads, Kokutetsu Dōryokusha Rōdō Kumiai, Labor unions, Nihon Kokuyū Tetsudō, History
Places: Japan
Time periods: 20th century