Columbia subject headings:
Human geography--Rome.
Rome--Historical geography.
Rome--History--Empire, 30 B.C.-476 A.D.
Harvard subject headings:
Human geography--Rome.
Rome (Italy)--Historical geography.
Rome--History--Empire, 30 B.C.-476 A.D.
Princeton subject headings:
Human geography--Rome.
Rome (Italy)--Historical geography.
Rome--History--Empire, 30 B.C.-476 A.D.