Columbia subject headings:
Harvard subject headings:
Canada--Foreign relations--1914-1945.
Canada--Foreign relations--1945-
Cold War.
World War, 1939-1945--Canada.
World War, 1939-1945--Diplomatic history.
Princeton subject headings:
Canada--Foreign relations--1914-1945.
Canada--Foreign relations--1945-
Canada--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Canada.