Letter to William Osler, January 4, 1918
Letter to William Osler, July 1919
Letter to Herbert Stanley Birkett, July 16, 1914
Letter to Harry Friedenwald, January 4, 1915
Extract from Archibald Malloch's journal, January 2, 1916
Letter to Alexander Dougall Blackader, July 13, 1916
Letter to Thomas McCrae, January 2, 1907
Letter to Arthur T. Hadley, July 10, 1912
Letter to Thomas Archibald Malloch, July 4, 1918
Letter to M.W. Blogg, January 3, 1919