He wrote commentaries on Saikaku IHARA and "Nanso Satomi Hakken-den" (The Eight Dog Chronicle) as well as co-authoring "Basho-haiku kenkyu" (Studies on Basho's Haiku) with six members of the Basho Society, including Keion Nunami and Mizuho OTA.
一方、井原西鶴や『南総里見八犬伝』を評釈し、沼波瓊音、太田水穂ら芭蕉研究会の6人との共著『芭蕉俳句研究』を出した。