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