Columbia subject headings:
Rome--Economic conditions.
Rome--History--Empire, 30 B.C.-476 A.D.
Rome--Social conditions.
Harvard subject headings:
Rome--Economic conditions.
Rome--History--Empire, 30 B.C.-476 A.D.
Rome--Social conditions.
Princeton subject headings:
Rome--Economic conditions.
Rome--History--Empire, 30 B.C.-476 A.D.
Rome--Social conditions.