Letter to John Young Walker MacAlister, March 14, 1917
Letter to Thomas Archibald Malloch, March 14, 1917
Letter to John Ballinger, (March 1917 ?)
Extract from Archibald Malloch's journal, March 12, 1917
Letter to William Osler, January 26, 1917
Letter to William Osler, March 10, 1917
Letter to William Sydney Thayer, March 7, 1917
Letter to Charles Joseph Singer, March 3, 1917
Letter to Thomas Archibald Malloch, March 2, 1917
Letter to Ottilie Wright Howard, March 1, 1917