Columbia subject headings:
City planning--Italy--Florence--History--21st century.
Urban policy--Italy--Florence--History--21st century.
Harvard subject headings:
Architecture--Italy--Florence--History--20th century.
Architecture--Italy--Florence--History--21st century.
City planning--Italy--Florence--History--20th century.
City planning--Italy--Florence--History--21stth century.
Princeton subject headings:
City planning--Italy--Florence--History--21st century.
Urban policy--Italy--Florence--History--21st century.