1. Add MS 88906/8-11 Reference (shelfmark): Add MS 88906/8-11 Title: Scope & Content: Papers of Sir Henry Petty (Petty-FitzMaurice after 1818), 3rd Marquess of Lansdowne (1780-1863); statesman. Collection Area: Western Manuscripts Languages: English Date Range: 18th century-19th century Extent: 84 folders