Columbia subject headings:
Harvard subject headings:
Lazio (Italy)--Politics and government--History.
Rome (Italy)--History--Revolution of 1848-1849.
Princeton subject headings:
Italy--Politics and government--1815-1870.
Lazio (Italy)--History.
Lazio (Italy)--Politics and government.
Lazio (Italy)--Rural conditions.
Papal States--Politics and government--1815-1870.
Political culture--Italy--Lazio--History--19th century.