Columbia subject headings:
Italy, Southern--Economic conditions.
Italy, Southern--History--1268-1735.
Italy, Southern--Social conditions.
Harvard subject headings:
Civilization, Medieval.
Italy, Southern--Economic conditions.
Italy, Southern--Social conditions.
Italy--Social conditions--1268-1559.
Princeton subject headings:
Italy, Southern--Economic conditions.
Italy, Southern--History--1268-1735.
Italy, Southner--Social conditions.