Letter, 3 January 1876
Letter, 15 May 1881
Letter, 18 March 1895
Letter, 7 January 1872
Letter, 13 May 1878
Letter, August 1869
Letter, August 1869
Letter, 6 February 1876
Letter, 6 February 1876
Copy of letter, 22 March 1886
Letter, 27 January 1891
Copy of letter, 1 January 1876