Columbia subject headings:
Architecture--Italy--Rome.
Art--Italy--Rome.
Rome (Italy)--Buildings, structures, etc.
Rome (Italy)--History.
Harvard subject headings:
Architecture--Italy--Rome
Art--Italy--Rome
Rome (Italy)--Buildings, structures, etc.
Rome (Italy)--Civilization.
Rome (Italy)--Description and travel.
Rome (Italy)--History.
Princeton subject headings: