Columbia subject headings:
Leopardi, Giacomo, 1798-1837--Criticism and interpretation--Congresses.
Science in literature--Congresses.
Harvard subject headings:
Leopardi, Giacomo, 1798-1837--Criticism and interpretation--Congresses.
Leopardi, Giacomo, 1798-1837--Themes, motives--Congresses.
Science in literature--Congresses.
Princeton subject headings:
Leopardi, Giacomo, 1798-1837--Criticism and interpretation--Congresses.
Science in literature--Congresses.