Columbia subject headings:
Harvard subject headings:
Constitutional history--Italy
Constitutional history--Italy--Chronology.
Italy--Politics and government--1870---Chronology.
Italy--Politics and government--1870-1914--Chronology.
Italy--Politics and government--20th century--Chronology.
Princeton subject headings:
Constitutional history--Italy--Chronology.
Italy--Politics and government--1870---Chronology.