Osamu Ōba

1927

• Hyōchakusen monogatari
• Tokugawa Yoshimune to Kōki Tei
• Edo jidai ni okeru Tosen mochiwatashisho no kenkyu
• Edo jidai no Nitchū hiwa
• Hakusai shomoku
• Mokkan
• Nitchū kōryū shiwa
• Shin Kan hōsei shi no kenkyū
• Shingi Waō
• Tō kokushin to Nihon kodai no ikaisei