Columbia subject headings:
Historic gardens--Italy--Naples.
Naples (Italy)--Buildings, structures, etc.
Nobility--Italy--Naples.
Palaces--Italy--Naples.
Harvard subject headings:
Gardens--Italy--Naples.
Mansions--Italy--Naples.
Naples (Italy)--Buildings, structures, etc.
Palaces--Italy--Naples.
Princeton subject headings:
Historic gardens--Italy--Naples.
Naples (Italy)--Buildings, structures, etc.
Nobility--Italy--Naples.
Palaces--Italy--Naples.