Columbia subject headings:
Architecture, Domestic--Italy--Naples.
Naples (Italy)--Buildings, structures, etc.
Palaces--Italy--Naples.
Harvard subject headings:
Architecture, Domestic--Italy--Naples.
Naples (Italy)--Buildings, structures, etc.
Palaces--Italy--Naples.
Princeton subject headings:
Architecture, Domestic--Italy--Naples.
Naples (Italy)--Buildings, structures, etc.
Palaces--Italy--Naples.