Columbia subject headings:
Harvard subject headings:
Communism--Europe--History--20th century
Communism--Italy--History--20th century
Communist parties--Italy--History--20th century.
Germany (West)--Foreign relations--Italy.
Italy--Foreign relations--Germany (West)
Italy--Foreign relations--United States.
National security--Germany (West)--History--20th century.
National security--United States--History--20th century
United States--Foreign relations--Italy.
Princeton subject headings:
Communism--Europe--History--20th century.
Communism--Italy--History--20th century.
Communist parties--Italy--History--20th century.
Germany (West)--Foreign relations--Italy.
Italy--Foreign relations--Germany (West).
Italy--Foreign relations--United States.
National security--Germany (West)--History--20th century.
National security--United States--History--20th century.
United States--Foreign relations--Italy.