Columbia subject headings:
Harvard subject headings:
Communism--Italy--History--20th century
Italy--Politics and government--1945-1976.
Italy--Relations--United States.
Labor movement--Italy--History--20th century.
Labor movement--United States--History--20th century
United States--Foreign relations--1945-1953.
United States--Relations--Italy.
Princeton subject headings:
Communism--Italy--History--20th century.
Italy--Politics and government--1945-1976.
Italy--Relations--United States.
United States--Foreign relations--1945-1953.
United States--Relations--Italy.
Working class--Italy--Political activity--History--20th century.
Working class--United States--Political activity--History--20th century.