Copy of letter, 20 February 1882
Copy of letter, 15 April 1882
Copy of letter, 21 April 1882
Copy of letter, 2 April 1884
Copy of letter, 29 October 1884
Copy of letter, 21 March 1884
Copy of letter, 18 April 1884
Copy of letter, 22 March 1886
Copy of letter, 21 December 1886
Copy of letter, 17 April 1887