Letter, 31 August 1881
Letter, 6 April 1882
Letter, 30 July 1882
Letter, 12 August 1882
Letter, 30 September 1882
Letter, 8 October 1883
Letter, 5 November 1883
Letter, 3 December 1883
Letter, 26 December 1883
Letter, 18 January 1884
Letter, 18 January 1884