Columbia subject headings:
Leopardi, Giacomo, 1798-1837--Religion.
Leopardi, Giacomo, 1798-1837. Zibaldone.
Harvard subject headings:
Leopardi, Giacomo, 1798-1837--Religion.
Leopardi, Giacomo, 1798-1837. Zibaldone.
Princeton subject headings:
Leopardi, Giacomo, 1798-1837. Zibaldone.
Philosophy and religion.