Columbia subject headings:
Church architecture--Conservation and restoration--Italy--Poggio San Costanzo.
Church buildings--Italy--Poggio San Costanzo--History.
Poggio San Costanzo (Italy)--Buildings, structures, etc.
Harvard subject headings:
Church architecture--Conservation and restoration--Italy--Poggio San Costanzo.
Church buildings--Italy--Poggio San Costanzo--History.
Poggio San Costanzo (Italy)--Buildings, structures, etc.
Princeton subject headings:
Church architecture--Conservation and restoration--Italy--Poggio San Costanzo.
Church buildings--Italy--Poggio San Costanzo--History.
Poggio San Costanzo (Italy)--Buildings, structures, etc.