Columbia subject headings:
Italy--Politics and government--20th century.
Political parties--Italy--History.
Harvard subject headings:
Italy--Politics and government--20th century.
Political parties--Italy--History
Princeton subject headings:
Italy--Politics and government--1943-1947.
Italy--Politics and government--1945-1976.
Italy--Politics and government--1976-1994.
Political parties--Italy--History.