Columbia subject headings:
City planning--Italy--Rome--History--18th century.
Historic buildings--Italy--Rome.
Rome (Italy)--Buildings, structures, etc.
Harvard subject headings:
Architecture--Italy--Rome--18th century.
City planning--Italy--Rome--History--18th century.
Historic buildings--Italy--Rome
Rome (Italy)--Buildings, structures, etc.
Princeton subject headings:
Architecture--Italy--Rome--18th century.
City planning--Italy--Rome--History--18th century.