Paper was partially printed in the McGill Medical Journal and was delivered as an address to the McGill Medical Undergraduate Society, 2 Oct. 1939.

1 typed manuscript (final).; 1 typed manuscript (summary).; 1 typed manuscript with hand-written amendments (address).; 1 typed manuscript (final draft) with hand-written amendments.; 1 typed manuscript (rough draft) with hand-written amendments.; 1 hand-written manuscript.; 1 hand-written worksheet.; 1 reprint, added 1978.; 2 pieces of correspondence.

1 reprint, added to file 1978.; No manuscript.

1 typed manuscript.; 1 typed draft with hand-written amendments.; 1 worksheet.; 1 reprint, added to file 1978.; 4 pieces of correspondence.

1 typed manuscript.; 1 reprint, added 1978.; 3 pieces of correspondence.

1 typed manuscript.; 1 hand-written manuscript.; 1 typed speech with hand-written amendments.; 1 partially typed and partially hand-written manuscript.; Carbon copy #3, found loose between W/US27 and 28, refiled in W/P 113 8 Nov. 1978.; 1 reprint, added 1978.; 4 pieces of correspondence.

1 typed manuscript (carbon copy).; 1 hand-written draft.

1 typed manuscript (final).; 1 typed list of slides plus 5 mounted photographs.; 2 typed drafts with hand-written amendments.; 2 hand-written manuscripts.; 1 page hand-written case history.; 1 Proceedings, added to file 1978.; 15 pieces of correspondence with programme of American-Soviet Medical Society, Philadelphia, 15 Dec. 1945.

1 typed manuscript (final).; 1 typed 5th draft with hand-written amendments.; 1 typed title page with hand-written amendments and a hand-written note.; 1 typed 4th draft with hand-written amendments.; 1 typed title page -- 3rd draft with a hand-written page xeroxed out on back of correspondence regarding tree surgery.; 1 typed 2nd draft with hand-written amendments.; 2 hand-written manuscripts (1st and 2nd drafts).; 1 reprint, added to file 1978.; 1 piece of correspondence with a note from NRC.

1 typed manuscript.; 1 reprint, added 1978, 1 piece of correspondence.