Chūtō Chōsakai

• Beikoku no wangan seisaku to Nihon no taisaku
• Iraku mondai to Nihonjin
• Problems of maintaining peace and security in the Gulf and Japan
• Sūdan Kyōwakoku ni okeru shakai kōzō to seiji kenryoku
• Teikaihatsukoku no shakai shugi ikō ni kansuru kenkyū