Columbia subject headings:
Harvard subject headings:
Leopardi, Giacomo, 1798-1837--Criticism and interpretation.
Leopardi, Giacomo, 1798-1837--Philosophy.
Leopardi, Giacomo, 1798-1837. Pensieri. Hungarian
Princeton subject headings:
Leopardi, Giacomo, 1789-1837--Criticism and interpretation.
Leopardi, Giacomo, 1789-1837--Philosophy.