Rokurō Hidaka

1917

• The price of affluence
• 21-seiki watakushitachi no sentaku
• 21世紀を拓く教育
• Asu no Nihon o kangaeru
• Daigaku no kokusaika to gaikokujin kyōin
• Fujin seisaku, fujin undō
• Gekidōsuru sekai to Nihon o kangaeru
• Gendai ideorogī
• Gendai Nihon o kangaeru
• Gendai shakai shūdan ron
• Ishiki no naka no Nihon
• Jānarizumu