Copy of letter, 23 February 1881
Copy of letter, 22 March 1886
Letter, 5 March 1880
Letter, 4 April 1887
Copy of letter, 14 July 1889
Copy of letter, 17 April 1887
Copy of letter, 21 March 1884
Copy of letter, 2 April 1884
Copy of letter, 21 December 1886
Copy of letter, 6 May 1887