This is a detailed research book on medieval Japanese literature. - Title: Studies in Medieval Japanese Literature, Focusing on Thought - Author: Geisho Sakaguchi - Publisher: Rokumonkan - Date of Publication: September 10, 1931 (Showa 6) - Contains writing. - Small pieces of 1cm square tape have been applied in several places due to notes. - The date of purchase is written. - There is damage and yellowing, but it does not interfere with reading.