Columbia subject headings:
Architecture--Rome.
Art, Roman.
Rome--History--Empire, 30 B.C.-476 A.D.
Harvard subject headings:
Architecture--Rome
Art, Roman.
Rome--History--Empire, 30 B.C.-476 A.D.
Princeton subject headings:
Architecture--Rome.
Art, Roman.
Rome--History--Empire, 30 B.C.-476 A.D.