Columbia subject headings:
Land settlement patterns--Mediterranean Region--History--To 1500.
Mediterranean Region--History--To 476.
Mediterranean Region--Population--History.
Rome--Economic conditions--30 B.C.-476 A.D.
Rural population--Mediterranean Region--History--To 1500.
Urbanization--Mediterranean Region--History--To 1500.
Harvard subject headings:
Land settlement patterns--Mediterranean Region--History--To 1500.
Mediterranean Region--History--To 476.
Mediterranean Region--Population--History.
Rome--Economic conditions--30 B.C.-476 A.D.
Rural population--Mediterranean Region--History--To 1500.
Urbanization--Mediterranean Region--History--To 1500.
Princeton subject headings:
Land settlement patterns--Mediterranean Region--History--To 1500.
Mediterranean Region--History--To 476.
Mediterranean Region--Population--History.
Rural population--Mediterranean Region--History--To 1500.
Urbanization--Mediterranean Region--History--To 1500.