Letter to Leonard L. Mackall, April 16, 1913
Letter to Fielding Hudson Garrison, (ca April 18, 1913)
Letter to William Osler, January 16, 1913
Letter to William Osler, December 23, 1912
Letter to William Osler, December 6, 1912
Letter to Joseph Hersey Pratt, May 9, 1909
Letter to Thomas McCrae, January 2, 1907
Letter, December 31, 1906
Letter, December 31, 1906
Letter to Francis John Shepherd, January 30, 1906