Columbia subject headings:
Architecture, Baroque--Italy--Rome.
Architecture--Conservation and restoration--Italy--Rome.
Palazzo Barberini (Rome, Italy)
Rome (Italy)--Buildings, structures, etc.
Harvard subject headings:
Architecture--Conservation and restoration--Italy--Rome.
Galleria nazionale d'arte antica (Italy)
Galleria nazionale d'arte antica (Italy)--Buildings.
Palazzo Barberini (Rome, Italy)
Rome (Italy)--Building, structures, etc.
Princeton subject headings: