1. Add MS 70503 Reference (shelfmark): Add MS 70503 Title: Scope & Content: PORTLAND PAPERS. Vol. DIII (29/363{1}, 364{1}). Papers of the Cavendish Family of Welbeck, Dukes of Newcastle; 1613-1692, n.d. See also Add. Ch. 76765. Cavendish family; of Welbeck: Papers: 1604-1716, n.d. Collection Area: Western Manuscripts Languages: English Date Range: 1613-1692 Extent: 1 item