D3155/WH/2747 | Letters to Sir Robert John Wilmot, later Wilmot-Horton, from Sir John Barrow (1764-1848... | Feb 1820-Apr 1827 | Sir Robert John Wilmot Horton, baronet (1784-1841), Under-Secretary of State for War and the Colonies 1821-1828, Governor and Commander-in-Chief of Ceylon 1831-1837 | Derbyshire Record Office |