Letter, 18 June 1849
Letter, 1 August 1849
Letter, 1 June 1850
Letter, 12 November 1852
Letter, 12 November 1852
Letter, 22 September 1852
Letter, 12 November 1852
Letter, 2 December 1853
Letter, 4 March 1853
Letter, 19 September 1857
Letter, 19 September 1857