Columbia subject headings:
Italy--Politics and government--1945-1976--Congresses.
Italy--Politics and government--1994-2018.
Partito democratico della sinistra.
Right and left (Political science)
Harvard subject headings:
Italy--Politics and government--1945-1976--Congresses.
Italy--Politics and government--1994-2018
Partito democratico della sinistra.
Political parties--Italy
Right and left (Political science)
Princeton subject headings:
Italy--Politics and government--1945-1976--Congresses.
Italy--Politics and government--1994-.
Partito democratico della sinistra.
Right and left (Political science)