Yōji Yamaguchi

1963

• Bungō no akutai
• Gokanryoku jiten
• Meiji no settokuō, Suematsu Kenchō
• N
• Nihongo o tsukutta otoko
• Nihongo saijiki
• Nihongo tsū
• Otona no tame no ippun ondoku
• Sōseki to Asahi shinbun
• Tenten
• Tōdai tsūkō "Shōsho" no kenkyū
• 日本語にとってカタカナとは何か