Columbia subject headings:
Architecture--Italy--Rome--History.
Harvard subject headings:
Architecture, Modern--19th century--Italy--Rome.
Architecture--Italy--20th century--Rome.
Architecture--Italy--Rome
Architecture--Italy--Rome--History.
Princeton subject headings:
Architecture, Modern--19th century--Italy--Rome.
Architecture, Modern--20th century--Italy--Rome.
Architecture--Italy--Rome.
Rome (Italy)--Buildings, structures, etc.