Cushing's notes, 1916
Cushing's notes, 1905
Letter to William Osler, July 5, 1914
Cushing's notes, 1913
Cushing's notes, 1915
Extract from Archibald Malloch's journal, July 2, 1915
Letter to Fielding Hudson Garrison, July 5, 1916
Letter to Thomas Clifford Allbutt, April 1, 1919
Cushing's notes, (July-December 1919)
Cushing's notes, 1907