1. Add MS 88906/8 Reference (shelfmark): Add MS 88906/8 Title: Scope & Content: Royal correspondence Collection Area: Western Manuscripts Languages: English Date Range: 1806-1866 Extent: 2 folders
2. Add MS 88906/9 Reference (shelfmark): Add MS 88906/9 Title: Scope & Content: Special correspondence Collection Area: Western Manuscripts Languages: English Date Range: 1799-1879, nd Extent: 25 folders
3. Add MS 88906/11 Reference (shelfmark): Add MS 88906/11 Title: Scope & Content: Political Papers Collection Area: Western Manuscripts Languages: English Date Range: 19th century Extent: 33 folders
4. 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
5. Add MS 88906/10 Reference (shelfmark): Add MS 88906/10 Title: Scope & Content: General correspondence of Lord Lansdowne. Partly annotated in red and black ink and pencil Collection Area: Western Manuscripts Languages: English Date Range: 1792-1873 Extent: 24 folders
6. Add MS 88906/11/19-33 Reference (shelfmark): Add MS 88906/11/19-33 Title: Scope & Content: Miscellaneous political papers Collection Area: Western Manuscripts Languages: English Date Range: 1790-1863 Extent: 15 folders
7. Add MS 88906/11/25-29 Reference (shelfmark): Add MS 88906/11/25-29 Title: Scope & Content: Bound volumes and notebooks Collection Area: Western Manuscripts Languages: English Date Range: 1806-1837 Extent: 5 volumes
8. Add MS 88906/11/21-24 Reference (shelfmark): Add MS 88906/11/21-24 Title: Scope & Content: Miscellaneous official papers Collection Area: Western Manuscripts Languages: English Date Range: 1805-1862 Extent: 4 folders
9. Add MS 88906/11/1-5 Reference (shelfmark): Add MS 88906/11/1-5 Title: Scope & Content: Official papers Collection Area: Western Manuscripts Languages: English Date Range: 1801-1807 Extent: 5 folders
10. Add MS 88906/11/6-9 Reference (shelfmark): Add MS 88906/11/6-9 Title: Scope & Content: Official correspondence Collection Area: Western Manuscripts Languages: English Date Range: 1805-1807 Extent: 4 folders