Columbia subject headings:
Constitutional history--Italy.
Italy--Kings and rulers.
Prerogative, Royal--Italy--History.
Harvard subject headings:
Constitutional history--Italy
Executive power--Italy--History.
Italy--Kings and rulers.
Italy--Politics and government--1870-1914.
Prerogative, Royal--Italy--History.
Princeton subject headings:
Executive power--Italy--History.
Italy--Politics and government--1870-1914.
Prerogative, Royal--Italy--History.