Letter, 18 June 1902
Letter, 8 July 1902
Letter, June 1902
Letter, 19 June 1902
Letter, 19 June, 1902
Letter, 30 June 1902
Letter, 16 July 1902
Letter to William Osler, February 10, 1900
Letter to Edward A. Sharpey Schäfer, February 21, 1900
Letter to William Osler, March 23, 1900