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, 19 September 1857
Letter, 19 September 1857
Letter, 8 April 1861
Letter, 8 April 1861
Letter, 23 April 1861
Letter, 23 April 1861
Letter, 19 October 1869