Letter to William Osler, June 27, 1918
Letter to Fielding Hudson Garrison, September 9, 1912
Letter to Fielding Hudson Garrison, September 30, 1919
Letter to Fielding Hudson Garrison, September 28, 1914
Letter to Fielding Hudson Garrison, September 21, 1910
Letter to Fielding Hudson Garrison, September 16, 1912
Letter to Fielding Hudson Garrison, September 13, 1919
Letter to Fielding Hudson Garrison, September 13, 1919
Letter to Fielding Hudson Garrison, October 7, 1912
Letter to Fielding Hudson Garrison, October 5, 1916