Columbia subject headings:
Naples (Italy)--Social life and customs.
Nobility--Italy--Naples.
Ricci, Carolina, 1863-1932--Correspondence.
Upper class--Italy--Naples.
Harvard subject headings:
Naples (Italy)--Social life and customs.
Nobility--Italy--Naples.
Ricci, Carolina, 1863-1932--Correspondence.
Upper class--Italy--Naples.
Princeton subject headings:
Naples (Italy)--Social life and customs.
Nobility--Italy--Naples.
Ricci, Carolina, 1863-1932--Correspondence.
Upper class--Italy--Naples.