Columbia subject headings:
Italy--Antiquities.
Rome--Economic conditions.
Rome--Social conditions.
Harvard subject headings:
Rome--Economic conditions--510 B.C.-30 B.C.
Rome--Economic conditions--510-30 B.C.
Rome--Politics and government--30 B.C.-476 A.D.
Rome--Social conditions.
Princeton subject headings:
Rome--Economic conditions.
Rome--Social conditions.