Columbia subject headings:
Architecture, Renaissance--Conservation and restoration--Italy--Pienza.
Cathedrals--Conservation and restoration--Italy--Pienza.
Cattedrale di Pienza.
Pienza (Italy)--Buildings, structures, etc.
Harvard subject headings:
Princeton subject headings:
Cattedrale di Pienza.
Church architecture--Italy--Pienza--Conservation and restoration.
Pienza (Italy)--Buildings, structures, etc.