Columbia subject headings:
Leopardi, Giacomo, 1798-1837--Language--Congresses.
Leopardi, Giacomo, 1798-1837--Literary style--Congresses.
Harvard subject headings:
Leopardi, Giacomo, 1798-1837--Language--Congresses.
Leopardi, Giacomo, 1798-1837--Literary style--Congresses.
Princeton subject headings:
Leopardi, Giacomo, 1798-1837--Language--Congresses.
Leopardi, Giacomo, 1798-1837--Style--Congresses.