1. Add MS 75970 Reference (shelfmark): Add MS 75970 Title: Scope & Content: Althorp Papers. Vol. dclxx. Letters from John Jeffreys Pratt, Earl and Marquess of Camden; 1798-1834. John Jeffreys Pratt, 1st Marquess Camden: Letters to Lord Spencer: 1798-1834. Collection Area: Western Manuscripts Languages: English Date Range: 1798-1834 Extent: 1 item