This collection includes:
- Correspondence and papers of Roundell Cecil Palmer, 3rd Earl of Selborne (1887-1971), including papers relating to Trade Unions, the Church of England, Ministry of Economic Warfare, and Special Operations Executive.
- Correspondence and papers of William Waldegrave Palmer, 2nd Earl of Selborne (1859-1942)
- Correspondence and papers of Maud, Countess of Selborne (d.1950)
- Correspondence and papers of members of the Palmer family, 1849-1941