Columbia subject headings:
Canada--Foreign relations.
Holmes, John W. (John Wendell), 1910-1988.
Harvard subject headings:
Canada--Foreign relations.
Holmes, John W. (John Wendell), 1910-1988.
Holmes, John W. (John Wendell), 1910-1989.
Princeton subject headings:
Canada--Foreign relations.
Holmes, John W. (John Wendell), 1910-1988.