Columbia subject headings:
Communism--Italy--History.
Italy--Politics and government--1976-1994.
Italy--Politics and government--1994-2018.
Partito comunista italiano--History.
Harvard subject headings:
Communism--Italy--History
Italy--Politics and government--1976-1994.
Italy--Politics and government--1994-2018
Partito comunista italiano--History.
Princeton subject headings:
Communism--Italy--History.
Partito comunista italiano--History.