Columbia subject headings:
Architecture, Baroque--Italy--Rome.
Piazza del Quirinale (Rome, Italy)
Rome (Italy)--Buildings, structures, etc.
Stables--Italy--Rome.
Harvard subject headings:
Architecture, Baroque--Italy--Rome.
Piazza del Quirinale (Rome, Italy)
Rome (Italy)--Buildings, structures, etc.
Stables--Italy--Rome.
Princeton subject headings:
Architecture--Italy--Rome--Conservation and restoration.
Piazza del Quirinale (Rome, Italy)
Rome (Italy)--Buildings, structures, etc.--Conservation and restoration.
Scuderie papali (Rome, Italy)
Specchi, Alessandro, 1688-1729.