Seya, Yoshihiko

1914 – .

• Mito no Mitsukuni
• Ryūsei no gotoku
• Ibaraki no shiseki wa kataru
• Ibaraki-ken no rekishi
• Ibaraki-ken seiritsushi
• Mito-han gōkō no shiteki kenkyū
• Mito-han no gōshi