The contents include: a letter from the Duke of Rothes to Sir William Murray, 1676, two letters of Sir David Murray, 1710, 1721; correspondence of Sir Alexander Murray with other members of the family (including his brothers Charles, James, and David, his sister Veronica and her husband, Robert Hunter of Polmood; and his uncle, Major William Murray), and with Sir Duncan Campbell of Lochnell, Donald Campbell of Octomore and other Campbells, 1715-1740, and undated.