Collection of Waka Poems by Emperor Meiji 明治天皇御集

Koizumi Yakumo and Articles Left by Him

Otaru Kodomo Fudoki (Reports on Children’s Everyday Plays in Otaru during the Taishō Period)

The Third House from Kitakido, Asakusa Zaimokuchō: Illustrated Plan of Landlord Mozaemon's Residence

Copy of the Illustrated Plan of Machikaisho (Town Hall) Submitted by Property Owner Mozaemon in Asakusa Zaimokuchō

Dictionary of Japanese Expressions in the Form of Personal Names

Copy of the Deed of Sale and Purchase for Residences in Nakanogō Motomachi, Honjo, and Other Towns