Columbia subject headings:
Harvard subject headings:
Cathedrals--Conservation and restoration--Italy--Cremona--Exhibitions.
Cattedrale di Cremona--Exhibitions.
Cremona (Italy)--Buildings, structures, etc.--Conservation and restoration--Exhibitions.
Princeton subject headings:
Cathedrals--Italy--Cremona--Conservation and restoration--Exhibitions.
Cattedrale di Cremona--Conservation and restoration--Exhibitions.
Cremona (Italy)--Buildings, structures, etc.--Conservation and restoration--Exhibitions.