Columbia subject headings:
Rome--History--Kings, 753-510 B.C.
Rome--History--Republic, 510-265 B.C.
Rome--History.
Harvard subject headings:
Rome--History
Rome--History--Kings, 753 B.C.-510 B.C.
Rome--History--Republic, 510 B.C.-265 B.C.
Princeton subject headings:
Lazio (Italy)--History.
Rome--History--B.C. 753-30.