Historical manuscripts (369 items) which were handed down in the Shirokiya Omura Family of Shirokiya, a (kimono/sundries) store which had its flagship shop in Kyoto in early modern period, and 4 shops in Edo – Nihonbashi shop at Nihonbashi Tori Icchoume, Ichigaya, Tomizawacho and Bakurocho.
The collection consists of documents regarding the management of stores in Edo and documents related to trade partners such as the Tokumi-Doiya.