宝暦七子年御免定、宝暦六丑年御免定、天保十三寅年皆済目録 天保十四卯年皆済目録（包紙）

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.）