Letter to Charlotte (Chattie) Osler (Mrs. Charles Gwyn), November 23, 1873
Letter, 14 January 1877
Postcard, 3 October 1882
Letter to George Ross, May 17, 1884
Letter to Edward A. Sharpey Schäfer, May 1, 1884
Letter, 29 May 1885
Letter, 29 May 1885
Letter, 6 August 1885
Letter, 6 August 1885
Letter, 15 August 1887
Letter, 20 November 1889
Letter, 12 March 1890