Iwao Ōwa

• Shin yamataikoku ron
• "Kojiki" seiritsu no nazo o saguru
• "Nihon"koku wa itsu dekita ka
• Ainu
• Asobime to tennō
• Geinō hyōhakumin
• Hata-shi no kenkyū
• Jinja to kodai ōken saishi
• Jinja to kodai ōken saishi
• Kami to hito no kodaigaku
• Kamigami no kōkogaku
• Kinzoku no tami