Columbia subject headings:
Italy--Politics and government--1870-1914--Congresses.
Political parties--Italy--History--Congresses.
Harvard subject headings:
Italy--Politics and government--1870-1914--Congresses.
Political parties--Italy--History--Congresses.
Princeton subject headings:
Italy--Politics and government--1870-1914--Congresses.
Political parties--Italy--History--Congresses.