Columbia subject headings:
Architecture and society--Italy--Sardinia--History.
Castles--Italy--Sardinia.
Church architecture--Italy--Sardinia.
Sardinia (Italy)--Buildings, structures, etc.
Harvard subject headings:
Architecture and society--Italy--Sardinia.
Architecture, Medieval--Italy--Sardinia.
Castles--Italy--Sardinia.
Church architecture--Italy--Sardinia.
Princeton subject headings:
Architecture and society--Italy--Sardinia--History.
Castles--Italy--Sardinia.
Church architecture--Italy--Sardinia.
Sardinia (Italy)--Buildings, structures, etc.