1930
Bibliografía (15 obras)
Tōhoku, Hokkaidō haikaishi no kenkyū
2003
Hezutsu Tosaku no gisakuteki saigetsu: Tsuketari, Nanjo Sanjin nenpu
1993
Edo bungaku e no yūwaku
1991
Edo gesaku no kenkyū
1986
Edo gesaku no kenkyu
Edo shohan yōran
1983
Kisanji gesakubon no kenkyū
Kinsei shorin hanmoto sōran
1981
Bungakuteki zuzō jiten
Akita koten bungaku shi
1979
Rakushu bungei shi
1978
Akita no ima to mukashi
1977
Bungaku to chihō bunka ron
Akita shogajin den
1975
Edo bungaku e no yuwaku (Yuwaku sosho)