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

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

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.

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