神武天皇苗裔源家正統多田吉江系図（裏面に古系破について弘治2丙辰8月15日付徳栄軒信玄書判写あり）

This is a collection of documents formerly owned by the Hatamoto Takagi family, who were responsible for flood control in The Kiso Three Rivers basin during the Edo period.（Partially Important Cultural Properties.）