1. Add MS 51689 Reference (shelfmark): Add MS 51689 Title: Scope & Content: Lord Henry Petty-Fitzmaurice formerly Petty, 3rd Marquess of Lansdowne: Letters to Lady Holland. Collection Area: Western Manuscripts Languages: English Date Range: 1798-after 1819 Extent: ff. 225
2. Add MS 51690 Reference (shelfmark): Add MS 51690 Title: Scope & Content: Lord Henry Petty-Fitzmaurice formerly Petty, 3rd Marquess of Lansdowne: Letters to Lady Holland; 1820-1844, undated. Followed (ff. 175-240) by letters of his wife, Louisa Emma, to Lady Holland; 1813-1845, undated. Collection Area: Western Manuscripts Languages: English Date Range: 1813-1845, undated Extent: ff. 240