Columbia subject headings:
Rome (Italy)--Economic conditions.
Rome (Italy)--History--1798-1870.
Rome (Italy)--History--1870-1945.
Rome (Italy)--Social conditions.
Harvard subject headings:
Rome (Italy)--Economic conditions.
Rome (Italy)--History--1798-1870
Rome (Italy)--History--1870-1945.
Rome (Italy)--Social conditions.
Princeton subject headings: