Columbia subject headings:
Harvard subject headings:
Enlightenment--Italy--Naples.
Materialism--Italy--Naples--History--17th century.
Materialism--Italy--Naples--History--18th century.
Naples (Italy)--Intellectual life--17th century.
Naples (Italy)--Intellectual life--18th century.
Philosophy--Italy--Naples--History--17th century.
Philosophy--Italy--Naples--History--18th century.
Political science--Italy--Naples--Philosophy--History--17th century.
Political science--Italy--Naples--Philosophy--History--18th century.
Princeton subject headings:
Enlightenment--Italy--Naples.
Materialism--Italy--Naples--History--17th century.
Materialism--Italy--Naples--History--18th century.
Naples (Italy)--Intellectual life--17th century.
Naples (Italy)--Intellectual life--18th century.
Philosophy--Italy--Naples--History--17th century.
Philosophy--Italy--Naples--History--18th century.
Political science--Italy--Naples--Philosophy--History--17th century.
Political science--Italy--Naples--Philosophy--History--18th century.