Columbia subject headings:
Castello (Cagliari, Italy)
City planning--Italy--Cagliari.
Historic districts--Italy--Cagliari.
Harvard subject headings:
Castello (Cagliari, Italy)--Buildings, structures, etc.
City planning--Italy--Cagliari.
Historic districts--Italy--Cagliari.
Princeton subject headings:
Castello (Cagliari, Italy)
City planning--Italy--Cagliari.
Historic districts--Italy--Cagliari.