Columbia subject headings:
Authors, Italian--19th century--Biography.
Leopardi, Giacomo, 1798-1837--Criticism and interpretation.
Harvard subject headings:
Authors, Italian--19th century--Biography
Leopardi, Giacomo, 1798-1837--Criticism and interpretation.
Princeton subject headings:
Leopardi, Giacomo, 1798-1837--Philosophy.
Philosophy, Modern--18th century.
Philosophy, Modern--19th century.