Yoshio Togai

1906

• Mitsui Bussan Kaisha no keieishiteki kenkyū
• Mitsui zaibatsu shi
• Nihon sangyō kigyō shi gaisetsu
• Nihon shihonshugi no gunzō
• Ogura Masatsune dan ; Furuta Toshinosuke den
• Sōgō shōsha no keieishi