1. Add MS 51688 Reference (shelfmark): Add MS 51688 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: 1832-1840, undated Extent: ff. 184