Letter, 2 August 1880
Letter, 13 December 1883
Letter, 5 October 1894
Letter, 5 October 1894
Letter, 9 October 1894
Letter, 31 October 1894
Letter, 7 November 1894
Letter, 26 November 1894
Letter, 6 December 1894
Letter, 10 May 1898
Letter, 10 July 1898