Columbia subject headings:
Italy--Politics and government--1945-1976.
Italy--Politics and government--1976-1994.
Partito comunista italiano.
Harvard subject headings:
Italy--Politics and government--1945-1976.
Italy--Politics and government--1976-
Partito comunista italiano
Princeton subject headings:
Italy--Politics and government--1945-1976.
Italy--Politics and government--1976-1994.
Partito comunista italiano.