Columbia subject headings:
City planning--Italy--Rome.
Roads--Italy--Rome.
Streets--Italy--Rome.
Harvard subject headings:
City planning--Italy--Rome
City planning--Italy--Rome--Case studies.
City planning--Italy--Rome--History
City planning--Italy--Rome--History--Case studies.
Infrastructure (Economics)--Italy--Rome.
Princeton subject headings:
Case studies.
City planning--Italy--Rome--Case studies.
City planning--Italy--Rome--History--Case studies.
City planning--Italy--Rome--History.
City planning--Italy--Rome.
Infrastructure (Economics)--Italy--Rome.