Columbia subject headings:
Elite (Social sciences)--Italy--Naples--History--19th century.
Families--Italy--Naples--History--19th century.
Naples (Italy)--History.
Naples (Italy)--Social conditions.
Harvard subject headings:
Elite (Social sciences)--Italy--Naples--History--19th century.
Families--Italy--Naples--19th century.
Families--Italy--Naples--History--19th century.
Naples (Italy)--History.
Naples (Italy)--Social conditions.
Princeton subject headings:
Civilization--Italy--Naples.
Families--Italy--Naples--History--19th century.
Naples (Italy)--History--19th century.
Naples (Italy)--Social life and customs--History--19th century.