Columbia subject headings:
City planning--Italy--Palermo--History.
Kalsa (Palermo, Italy)--History.
Palermo (Italy)--Buildings, structures, etc.
Harvard subject headings:
City planning--Italy--Palermo--History.
Kalsa (Palermo, Italy)--History.
Palermo (Italy)--Buildings, structures, etc.
Princeton subject headings:
City planning--Italy--Palermo--History.
Kalsa (Palermo, Italy)--History.
Palermo (Italy)--Buildings, structures, etc.