Columbia subject headings:
Ethics in literature.
Irony in literature.
Leopardi, Giacomo, 1798-1837. Operette morali.
Literature and morals.
Harvard subject headings:
Ethics in literature.
Irony in literature.
Leopardi, Giacomo, 1798-1837. Operette morali.
Princeton subject headings:
Ethics in literature.
Irony in literature.
Leopardi, Giacomo, 1798-1837. Operette morali.
Literature and morals.