Columbia subject headings:
Naples (Kingdom)--History--1735-1816.
Sicily (Italy)--Economic conditions.
Sicily (Italy)--History--1815-1870.
Harvard subject headings:
Naples (Kingdom)--History--1735-1816.
Sicily (Italy)--Economic conditions
Sicily (Italy)--History--1815-1870
Princeton subject headings:
Naples (Kingdom)--History--1735-1861.
Sicily (Italy)--Economic conditions.
Sicily (Italy)--History--1815-1870.