Letter, 18 January 1876
Letter, 24 October 1878
Letter, 2 February 1876
Letter, 18 February 1876
Letter, 11 November 1876
Letter, 11 June 1885
Copy of letter, 3 January 1876
Letter, 19 May 1878
Letter, 14 and 15 November 1875
Letter, 20 December 1875