Columbia subject headings:
Catholic Church--Italy--History--19th century.
Catholics--Political activity--Italy.
Church and state--Italy.
Italy--Politics and government--1870-1914.
Socialism--Italy--History.
Harvard subject headings:
Princeton subject headings:
Catholic Church--Italy--History--19th century.
Catholics--Political activity--Italy.
Church and state--Italy.
Italy--Politics and government--1870-1914.
Socialism--Italy--History.