Columbia subject headings:
Harvard subject headings:
Church and state--Italy--History
Italy--History--1815-1870.
Papal States--History--1815-1870.
Rome (Italy)--History--1798-1870
Princeton subject headings:
Church and state--Italy--History.
Italy--History--1815-1870.
Papal States--History--1815-1870.
Rome (Italy)--History--1798-1870.