Nobuo Irumada

1942

• Chūsei bushidan no jiko ninshiki
• Kasai-shi no kenkyū
• Kita kara umareta chūsei Nihon
• Kita no naikai sekai
• Michinoku no miyako Tagajō, Matsushima
• Toshi Hiraizumi no isan
• Chūsei buke keizu no shiryōron
• Chūsei Ōu no jiko ninshiki
• Dekigoto jiten
• Fujiwara no Hidehira
• Hiraizumi Fujiwara-shi to Nanʼō bushidan no seiritsu
• Hiraizumi no seiji to Bukkyō