Columbia subject headings:
Architecture, Byzantine--Italy--Sardinia.
Church architecture--Italy--Sardinia.
Harvard subject headings:
Architecture, Byzantine--Italy--Sardinia.
Church architecture--Italy--Sardinia.
Sardinia (Italy)--Buildings, structures, etc.
Sardinia (Italy)--Church history.
Princeton subject headings:
Architecture, Byzantine--Italy--Sardinia.
Church architecture--Italy--Sardinia.
Sardinia (Italy)--Buildings, structures, etc.
Sardinia (Italy)--Church history.