Columbia subject headings:
Democracy--Italy--History--20th century.
Italy--Politics and government--20th century.
Harvard subject headings:
Democracy--Italy--History--20th century
Italy--Politics and government--20th century.
Partito della democrazia cristiana--History.
Princeton subject headings:
Democracy--Italy.
Italy--Politics and government--1945-1976.
Italy--Politics and government--1976-1994.