Columbia subject headings:
Italy--Politics and government--1849-1870.
Italy--Politics and government--1870-1914.
Mario, Alberto, 1825-1883.
Harvard subject headings:
Italy--Politics and government--1848-1871.
Italy--Politics and government--1871-1914.
Mario, Alberto, 1825-1883.
Princeton subject headings:
Italy--Politics and government--1848-1871.
Italy--Politics and government--1871-1914.
Mario, Alberto, 1825-1883.