Columbia subject headings:
Decoration and ornament--Italy--Naples.
Nobility--Italy--Naples.
Palaces--Italy--Naples.
Harvard subject headings:
Naples (Italy)--Buildings, structures, etc.
Nobility--Italy--Naples--History.
Palaces--Italy--Naples.
Princeton subject headings:
Naples (Italy)--Buildings, structures, etc.
Nobility--Italy--Naples--History.
Palaces--Italy--Naples.