Columbia subject headings:
Germany--Politics and government--1848-1870.
Germany--Politics and government--1871-1918.
Italy--Politics and government--1849-1870.
Italy--Politics and government--1870-1914.
Liberalism--Germany.
Liberalism--Italy.
Harvard subject headings:
Germany--Politics and government--1848-1870.
Germany--Politics and government--1871-1918.
Italy--Politics and government--1849-1870.
Italy--Politics and government--1870-1914.
Liberalism--Germany
Liberalism--Italy
Princeton subject headings:
Germany--Politics and government--1848-1870.
Germany--Politics and government--1871-1918.
Italy--Politics and government--1849-1870.
Italy--Politics and government--1870-1914.
Liberalism--Germany.
Liberalism--Italy.