Letter, 15 February 1876
Letter, 12 July 1876
Letter, 29 November 1860
Letter, 29 November 1860
Letter, 14 April 1876
Letter, 16 July 1880
Letter, 21 December 1882
Letter, 13 April 1883
Letter, 26 December 1883
Letter, 12 September 1881
Letter, 4 August 1887