Columbia subject headings:
City planning--Italy--Rome--History.
Rome (Italy)--Buildings, structures, etc.
Harvard subject headings:
City planning--Italy--Rome--History
Communication and traffic--Italy--Rome--History.
Rome (Italy)--Buildings, structures, etc.
Streets--Italy--Rome--History.
Princeton subject headings:
City planning--Italy--Rome--History.
Rome (Italy)--Buildings, structures, etc.