Gunpei Sekine

• Dainiji Ōshū Sensō wa izure ga katsu ka
• Kōkoku no kiki 1936-nen ni sonaeyo
• Rekishijō yori mitaru Amerika to sono tai Tōa seisaku
• Sen-kyūhyaku-sanjūgonen to wareware no kakugo
• Shin Tōa kensetsu wa dō suru ka
• 世界動亂と大東亞共榮圈