Columbia subject headings:
Canada. Supreme Court--Biography.
Duff, Lyman Poore, Sir, 1865-1955.
Judges--Canada--Biography.
Harvard subject headings:
Duff, Lyman Poore, Sir, 1865-1955.
Judges--Canada--Biography.
Princeton subject headings:
Duff, Lyman Poore, Sir, 1865-1955.
Judges--Canada--Biography.