Columbia subject headings:
Constitutional history--Italy--Congresses.
Italy--History--Revolution of 1848--Congresses.
Harvard subject headings:
Europe--Politics and government--1848-1871--Congresses.
Italy--Politics and government--1815-1870--Congresses.
Princeton subject headings:
Constitutional history--Italy--Congresses.
Italy--History--Revolution of 1848--Congresses.