This is a collection of mainly 18th- and 19th-century family papers. The main groups are:
- Letters to Charles Townshend (1725-67)
- Papers of Lord Macartney, with some papers of Lady Macartney
- Papers of Lady Louisa Stuart
- Papers of Lady Louisa Davenport Bromley, and of Lady Anna Maria Dawson, lady-in-waiting to the Duchess of Kent
- Erskine papers, mainly correspondence of H.D. Erskine, Dean of Ripon, and of his daughter, Caroline Stuart Erskine
- Strong papers, which came into the collection presumably after the marriage of Fanny Louisa Erskine, daughter of the Dean of Ripon, to H.L. Strong, including papers concerning the supply of pay and provisions to the garrison of Minorca, 1763-73, and letters from C.W. Strong to his sister Fanny, mainly from the Crimea, 1852-5
- Miscellaneous papers