Columbia subject headings:
Italy--History--Revolution of 1848--Congresses.
Rome (Italy)--History--Revolution of 1848-1849--Congresses.
Harvard subject headings:
Italy--Politics and government--1815-1870--Congresses.
Rome (Italy)--History--Revolution of 1848-1849--Congresses.
Princeton subject headings:
Italy--Politics and government--1815-1870--Congresses.
Rome (Italy)--History--Revolution of 1848-1849--Congresses.