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