Columbia subject headings:
Harvard subject headings:
Historic buildings--Conservation and restoration--Italy--Rome.
Italy--Antiquities--Conservation and restoration.
Rome (Italy)--Antiquities--Conservation and restoration.
Rome (Italy)--Buildings, structures, etc.--Conservation and restoration.
Princeton subject headings:
Historic buildings--Italy--Rome--Conservation and restoration.
Rome (Italy)--Antiquities--Conservation and restoration.
Rome (Italy)--Buildings, structures, etc.--Conservation and restoration.