Columbia subject headings:
Castello (Cagliari, Italy)--Buildings, structures, etc.
Castello (Cagliari, Italy)--Description and travel.
Harvard subject headings:
Castello (Cagliari, Italy)--Buildings, structures, etc.
Castello (Cagliari, Italy)--Description and travel.
Princeton subject headings:
Castello (Cagliari, Italy)--Buildings, structures, etc.
Castello (Cagliari, Italy)--Description and travel.