Seishi Okada

1929

• Saishi to kokka no rekishigaku
• Kodai ōken no saishi to shinwa
• Kodai saishi no rekishi to bungaku
• Kodai saishi no shiteki kenkyū
• Nihon shoki, Fudoki
• Tennō daigawari gishiki no rekishiteki tenkai
• 史跡でつづる古代の近江