Takagi, Tadao

1922

• Gendai Nihon no rōdōsha
• Keizai kiki to rōdō kumiai undō
• Kokutetsu Rōdō Kumiai
• Nihon keizai no kiki to rodo kumiai undo
• Nihon shihonshugi to chingin mondai
• Sōkatsu hihan "Rengō"