Tōichi Seki

1929

• Jitsurei ni manabu Shōbō hōrei kaishaku no kiso
• Jūyō kōmokubetsu Shōbōho no kenyū
• Kasai yobō ihan shori no kiso
• Shōbō shokuin no tame no tachiiri kensa no hōritsu chishiki
• Shōbōhō no kenkyū