Columbia subject headings:
City planning--Italy--Rome--History--19th century.
City planning--Italy--Rome--History--20th century.
Italy--Capital and capitol.
Regional planning--Italy--Lazio--History--19th century.
Regional planning--Italy--Lazio--History--20th century.
Harvard subject headings:
Architecture--Italy--Lazio--History--19th century.
Architecture--Italy--Lazio--History--20th century.
Architecture--Italy--Rome--History--19th century.
Architecture--Italy--Rome--History--20th century
City planning--Italy--Rome--History--Pictorial works.
Princeton subject headings:
Architecture--Italy--Lazio--History--19th century.
Architecture--Italy--Rome--History--19th century.
Architecture--Italy--Rome--History--20th century.