Columbia subject headings:
City planning--Italy--Rome--History--20th century--Exhibitions.
City planning--Italy--Rome--History--21st century--Exhibitions.
Harvard subject headings:
City planning--Italy--Rome--History--20th century--Exhibitions.
City planning--Italy--Rome--History--21st century--Exhibitions.
Princeton subject headings:
City planning--Italy--Rome--History--20th century--Exhibitions.
City planning--Italy--Rome--History--21st century--Exhibitions.