Columbia subject headings:
City planning--Italy--Palermo--History--21st century.
Public housing--Italy--Palermo--History--21st century.
Suburbs--Italy--Palermo--History--21st century.
Harvard subject headings:
Architecture--Italy--Palermo--21st century.
City planning--Italy--Palermo
Public housing--Italy--Palermo--History--21st century.
Suburbs--Italy--Palermo--History--21st century.
Princeton subject headings:
City planning--Italy--Palermo--History--21st century.
Public housing--Italy--Palermo--History--21st century.
Suburbs--Italy--Palermo--History--21st century.