Columbia subject headings:
Harvard subject headings:
Italy--Politics and government--1870-1914.
Italy--Politics and government--1914-1922.
Labor movement--Italy--History.
Socialism--Italy
Socialism--Italy--History
Turati, Filippo, 1857-1932.
Princeton subject headings:
Italy--Politics and government--1870-1914.
Socialism--Italy--History.
Turati, Filippo,