Columbia subject headings:
France--Foreign relations--1848-1870.
France--Foreign relations--Italy.
Italy--Foreign relations--France.
Papal States--History--1815-1870.
Rome (Italy)--History--1798-1870.
Rome (Italy)--History--Revolution of 1848-1849.
Harvard subject headings:
France--Foreign relations--1848-1870.
France--Foreign relations--Italy.
Italy--Foreign relations--France.
Papal States--History--1815-1870.
Rome (Italy)--History--1798-1870
Rome (Italy)--History--Revolution of 1848-1849.
Princeton subject headings:
France--Foreign relations--1848-1870.
France--Foreign relations--Italy.
Italy--Foreign relations--France.
Papal States--History--1815-1870.
Rome (Italy)--History--1798-1870.
Rome (Italy)--History--Revolution of 1848-1849.