Columbia subject headings:
Italy, Northern--History.
Italy, Southern--History--1861-1945.
Italy--History--1849-1870.
Italy--History--1870-1914.
Regionalism--Italy--History.
Harvard subject headings:
Italy, Northern--Civilization.
Italy, Northern--History.
Italy, Southern--Civilization.
Italy, Southern--History--1861-1945.
Italy--History--1849-1870.
Italy--History--1870-1914.
Regionalism--Italy--History.
Princeton subject headings:
Italy, Southern--History.
Regionalism--Italy.