Columbia subject headings:
Architecture--Conservation and restoration--Italy--Rome.
Historic buildings--Conservation and restoration--Italy--Rome.
Rome (Italy)--Buildings, structures, etc.
Harvard subject headings:
Architecture--Conservation and restoration--Italy--Rome--History--19th century.
Rome (Italy)--Buildings, structures, etc.
Princeton subject headings:
Architecture--Conservation and restoration--Italy--Rome--History--19th century.
Rome (Italy)--Buildings, structures, etc.