Columbia subject headings:
Italy--Politics and government--1849-1870.
Italy--Politics and government--1870-1914.
Radicalism--Italy--History--19th century.
Harvard subject headings:
Italy--Politics and government--1849-1870.
Italy--Politics and government--1870-1914.
Radicalism--Italy--History--19th century.
Princeton subject headings:
Italy--Politics and government--1849-1870.
Italy--Politics and government--1870-1914.
Radicalism--Italy--History--19th century.