urn:taro:utexas.hrc.00957 Robert Stewart, Marquis of Londonderry: An Inventory of His Collection at the Harry Ransom Center Finding aid created by Joan Sibley and Sara Saastamoinen Harry Ransom Center, 2012 Finding aid encoded by Joan Sibley, 2 November 2012 Finding aid written in English. Collection Summary Harry Ransom Center, The University of Texas at Austin Londonderry, Robert Stewart, Marquis of, 1769-1822 Robert Stewart, Marquis of Londonderry Collection 1775-1828, undated 3 boxes (1.26 linear feet) Includes letters written by the Irish and British statesman Robert Stewart, 2nd Marquis of Londonderry (also known as Lord Castlereagh), as well as letters to his brother Charles William Stewart, who became the 3rd Marquis of Londonderry when Robert committed suicide in 1822. Also present are transcripts of Londonderry family papers and letters from the library of H. Montgomery Hyde, who once worked for the family. English Manuscript Collection MS-2540 Access:

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Joan Sibley and , 2012

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This finding aid replicates and replaces information previously available only in a card catalog. Please see the explanatory note at the end of this finding aid for information regarding the arrangement of the manuscripts as well as the abbreviations commonly used in descriptions.

 Container List Letters: 1.1 2 ALS, 2 ALI to Camden, Charles Pratt, 1st Earl, 3 April 1793, undated. 1.2 ALS, ALI to Camden, John Jeffreys Pratt, 1st Marquis, 17 October 1794, undated. 1.3 2 ALS, 9 ALI to Cooke, Edward, 1801-1810. On verso of letter dated 7 September 1810 is ALS / copy from John Jeffreys Pratt, 1st Marquis Camden to Spencer Perceval, 20 August 1810. Enclosure: ALS / copy from Stewart to Spencer Perceval, 4 September 1810. 1.7 ALS to Heytesbury, William A'Court, 1st Baron, 27 August 1820. Enclosed with ALS Stewart to Charles William Stewart, 3rd Marquis of Londonderry, 1 September 1820. 23 ALS, 91 ALI, 4 AL, AL / incomplete to Londonderry, Charles William Stewart, 3rd Marquis, 1797-1821: 1.4 1797-1809. 1.5 1810-1815. 1.6 1816-1819. 1.7 1820-1821. 1.7 ALS / copy to Londonderry, Robert Stewart, 1st Marquis, 13 November 1820. Enclosed with ALS from Stewart to Charles William Stewart, 3rd Marquis of Londonderry, 15 November 1820. 1.6 ALS / copy to Lonsdale, William Lowther, 1st Earl, 1 August 1819. Enclosed with ALS from Stewart to Charles William Stewart, 3rd Marquis of Londonderry, 6 August 1819. 1.8 19 ALS to Pratt, Elizabeth, Lady, 1786-1795, undated. 1.9 7 AL / extracts to Pratt, Elizabeth, Lady, circa 1792. 1.5 ALS to Wellington, Arthur Wellesley, 1st Duke, 11 February 1812. Included with letters of 1812 to Charles William Stewart, 3rd Marquis of Londonderry. Miscellaneous: 2.1 Brown, J. H. ALS to Wood, Thomas re Charles William Stewart, 3rd Marquis of Londonderry, 15 August 1822. 2.1 Camden, John Jeffreys Pratt, 1st Marquis, 1759-1840. ALS to Londonderry, Charles William Stewart, 3rd Marquis re Robert Stewart, 2nd Marquis of Londonderry, 20 August 1822. 2.1 Clancarty, Richard le Poer Trench, 2nd Earl, 1767-1837. ALS to Londonderry, Charles William Stewart, 3rd Marquis re Robert Stewart, 2nd Marquis of Londonderry, 21 August 1822. 2.1 Clanwilliam, Richard Charles Francis Meade, 3rd Earl, 1795-1879. ALS to Londonderry, Charles William Stewart, 3rd Marquis re Robert Stewart, 2nd Marquis of Londonderry, 12 August 1822. 2.1 Clanwilliam, Richard Charles Francis Meade, 3rd Earl, 1795-1879. ALS to Wood, Thomas, 1822. 2.1 Ellenborough, Edward Law, 1st Earl, 1790-1871. 2 ALS to Londonderry, Charles William Stewart, 3rd Marquis re Robert Stewart, 2nd Marquis of Londonderry, 19 August and 20 August 1822. 2.1 Fitzroy, Charles, Lord, 1764-1829. ALS to Londonderry, Charles William Stewart, 3rd Marquis Londonderry, 7 April 1809. 2.1 Groom, William, 2 ALS to Londonderry, Charles William Stewart, 3rd Marquis re Robert Stewart, 2nd Marquis of Londonderry, 13 August and 21 August 1822. 2.1 Hardinge, Emily Jane Stewart, Lady, d. 1865. ALS to Londonderry, Charles William Stewart, 3rd Marquis re Robert Stewart, 2nd Marquis of Londonderry, 20 August 1822. 2.1 Hardinge, Henry Hardinge, 1st Viscount, 1785-1856. 2 ALS to Londonderry, Charles William Stewart, 3rd Marquis re Robert Stewart, 2nd Marquis of Londonderry, 19 August and 20 August 1822. 2.2 Londonderry, Frances Pratt Stewart, Marchioness, d. 1833. 2 ALI, AL to Londonderry, Charles William Stewart, 3rd Marquis re Robert Stewart, 2nd Marquis of Londonderry, 2 September, 4 September and no date, 1822. 2.2 Londonderry, Frederick William Robert Stewart, 4th Marquis, 1805-1872. 2 ALS to Londonderry, Charles William Stewart, 3rd Marquis re Robert Stewart, 2nd Marquis, 13 August and no date, 1822. 2.2 Londonderry, Robert Stewart, 1st Marquis, 1739-1821. ALS to Londonderry, Charles William Stewart, 3rd Marquis, 25 May 1809. 2.3 Londonderry, Robert Stewart, 2nd Marquis, 1769-1822. Private letters of Robert Stewart, Viscount Castlereagh (2nd Marquess of Londonderry), 1786-1821, carbon typescript, 312 pages bound, undated. Copies of letters to Lady Elizabeth Pratt, Earl Camden, Viscount Bayham, 3rd Marquis of Londonderry, Edward Cook, and letters received by the 3rd Marquis on the death of his brother. 2.2 Planta, Joseph, 1787-1847. ALS to Londonderry, Charles William Stewart, 3rd Marquis re Robert Stewart, 2nd Marquis of Londonderry, 13 August 1822. 2.2 Ripon, Frederick John Robinson, Earl, 1782-1859. ALS to Londonderry, Charles William Stewart, 3rd Marquis re Robert Stewart, 2nd Marquis of Londonderry, 7 September 1823. 2.2 Seymour, George Hamilton, 1797-1880. ALS to Londonderry, Charles William Stewart, 3rd Marquis re Robert Stewart, 2nd Marquis of Londonderry, 20 August 1812. Enclosure: memoranda from Seymour to Londonderry, 3 leaves. 2.2 Stuart de Rothesay, Charles Stuart, Baron, 1779-1845. ALS to Londonderry, Charles William Stewart, 3rd Marquis re Robert Stewart, 2nd Marquis, 14 August 1822. 2.2 Taylor, Watson. ALS to Londonderry, Charles William Stewart, 3rd Marquis re Robert Stewart, 2nd Marquis, 13 August 1822. 2.2 Turner, J. M. ALS to Londonderry, Charles William Stewart, 3rd Marquis re Robert Stewart, 2nd Marquis, 20 August 1822. 2.2 Wood, Caroline Stewart, Lady, d. 1860. ALS to Londonderry, Charles William Stewart, 3rd Marquis re Robert Stewart, 2nd Marquis, 21 August 1822. 2.4 Wood, Thomas, 1777-1860. 2 ALS to Londonderry, Charles William Stewart, 3rd Marquis re Robert Stewart, 2nd Marquis, 19 and 21 August 1821. Miscellaneous I: 2.5 Letters from Charles Stewart and others to Lady Castlereagh, typed transcripts, 287 pages bound, 1790-1828. From H. Montgomery Hyde Library. Bookplate of Harford Montgomery Hyde. Not described in card catalog (transfer from Library, 1994). 3.1 Letters from Lord Castlereagh to his wife, typed transcripts, 147 pages bound, 1794-1821. From H. Montgomery Hyde Library. Bookplate of Harford Montgomery Hyde. Not described in card catalog (transfer from Library, 1994). 3.2 Letters from the peninsula, correspondence of Charles Stewart with Viscount Castlereagh, typed transcripts, 419 pages bound, 1808-1812. From H. Montgomery Hyde Library. Bookplate of Marchioness of Londonderry. Not described in card catalog (transfer from Library, 1994). 3.3 Londonderry - Camden correspondence, typed transcripts, 91 pages bound, 1775-1825. From H. Montgomery Hyde Library. Bookplate of Harford Montgomery Hyde. Not described in card catalog (transfer from Library, 1994). 3.4 Londonderry family papers; typed transcripts, 229 pages bound, 1809-1827. From H. Montgomery Hyde Library. Bookplate of Harford Montgomery Hyde. Not described in card catalog (transfer from Library, 1994).