Gakutōsha. Kokubungaku Henshūbu
Shittoku Meiji, Taishō, Shōwa fūzoku bunkashi
Hakkin, kindai bungakushi- Kindai bundan jikenshi
- Kindai bungaku sakuchū jinbutsu jiten
- Meiji, Taishō, Shōwa fūzoku bunkashi
- Sayū/migihidari
- Shittoku hakkin kindai bungakushi
- Shittoku kindai bundan jikenshi
- Shittoku koten bungaku dōbutsushi
- Shittoku, "shoku" no bunkashi
- Shittoku, gendai no shōsetsu 101-hen no yomikata
- Shittoku, gendai sakka benran