Columbia subject headings:
Harvard subject headings:
Canada--Foreign public opinion, Soviet--History--20th century.
Canada--Foreign relations--Soviet Union.
Public opinion--Soviet Union--History--20th century.
Soviet Union--Foreign relations--Canada.
Princeton subject headings:
Canada--Foreign public opinion, Soviet--History--20th century.
Canada--Foreign relations--Soviet Union.
Public opinion--Soviet Union--History--20th century.
Soviet Union--Foreign relations--Canada.