Columbia subject headings:
Italy--Politics and government--1870-1914.
Italy--Politics and government--1914-1945.
Nationalism--Italy--History.
Socialism--Italy--History.
Harvard subject headings:
Italy--Politics and government--1870-1914.
Italy--Politics and government--1914-1945.
Nationalism--Italy--History
Socialism--Italy
Socialism--Italy--History
Princeton subject headings:
Italy--History--1870-1914.
Italy--History--1914-1945.