1. Add MS 51686 A Reference (shelfmark): Add MS 51686 A 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: 1797-1821 Extent: ff. 185
2. Add MS 51686 B Reference (shelfmark): Add MS 51686 B Title: Scope & Content: Notes on House of Commons procedure; watermark 1805 (f. 2). Autograph. Marbled paper covers; 222 x 186 mm. Collection Area: Western Manuscripts Languages: English Date Range: after 1805 Extent: ff. 23
3. 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
4. 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