Correspondence to Hirota Ritaro Accompanying Samples Curtains and Carpets (Object from Hirota Ritaro Residence, Book 1) デ・ラランデ書簡（カーテン・カーペットのサンプルを同封）

The Lowest Grade of Spearmanship of the Ninshin School (Reference Materials on Takahashi Deishu)

Takahashi Isenokami Masamitsu

Ninshin School's Oath to God 2 on an Auspicious Day in June, 1860 (the 57th Year of the 60-year Cycle) (Reference Materials on Takahashi Deishu)

Letter to Takahashi Deishu (Regarding Reclamation by Kondo and Five Others) (Reference Materials on Takahashi Deishu)

（Yamaoka) Tesshu

Correspondence to Hirota　Ritaro Regarding Two Enclosed Bills from Yabe Architect Office and Payment (Object from Hirota Ritaro Residence, Book 2)

Georg de Lalande

Correspondence to Hirota Ritaro Communicating Progress on the Construction by Yabe Kunitaro (Object from Hirota Ritaro Residence, Book 1)

Georg de Lalande

Correspondence to Hirota　Ritaro Regarding Sending of Wallpaper Sample (Object from Hirota Ritaro Residence, Book 2)

Georg de Lalande

Correspondence to Hirota Ritaro Urging a Decision on the Design of the Tapestry (Object from Hirota Ritaro Residence, Book 1)

Georg de Lalande

Correspondence to Hirota Ritaro Discussing Additional Construction Work (Object from Hirota Ritaro Residence, Book 1)

Georg de Lalande

Correspondence to Hirota　Ritaro Regarding Sending of Guest Room Wallpaper Sample and Urging a Decision (Object from Hirota Ritaro Residence, Book 2)

Georg de Lalande

Correspondence to Hirota Ritaro from de Lalande Requesting Payment of Balance (Object from Hirota Ritaro Residence, Book 2)

Georg de Lalande