Columbia subject headings:
Holbach, Paul Henri Thiry, baron d', 1723-1789--Influence.
Leopardi, Giacomo, 1798-1837--Philosophy.
Philosophy, Modern--18th century.
Harvard subject headings:
Holbach, Paul Henri Thiry, baron d', 1723-1789--Influence.
Leopardi, Giacomo, 1798-1837--Philosophy.
Princeton subject headings:
Holbach, Paul Henri Thiry, baron d', 1723-1789--Influence.
Leopardi, Giacomo, 1798-1837.
Philosophy, Modern--18th century.