Columbia subject headings:
Harvard subject headings:
City and town life--Mediterranean Region--History.
Harbors--Mediterranean Region--History.
Mediterranean Region--Civilization.
Mediterranean Region--Emigration and immigration--History.
Minorities--Mediterranean Region--History.
Social networks--Mediterranean Region--History.
Princeton subject headings:
Mediterranean Region--Commerce.
Mediterranean Region--Economic conditions.
Mediterranean Region--Emigration and immigration.
Mediterranean Region--History.