Letter, 3 April 1871.
Letter, 27 September 1837
Letter, 9 June 1842
Letter, 20 January 1846
Letter, 15 February 1856
Letter, 15 March 1857
Letter, 6 April 1858
Letter, 4 July 1884
Letter, 4 July 1884
Letter, 2 January 1885
Letter, 2 January 1885
Letter, 3 February 1885
Letter, 3 February 1885