1. Add MS 51687 Reference (shelfmark): Add MS 51687 Title: Scope & Content: Lord Henry Petty-Fitzmaurice formerly Petty, 3rd Marquess of Lansdowne, and his wife, Louisa Emma: Corespondence, etc., with Lord Holland. Collection Area: Western Manuscripts Languages: English Date Range: 1822-1831 Extent: ff. 223