Columbia subject headings:
Guareschi, Giovanni, 1908-1968--Criticism and interpretation--Congresses.
Harvard subject headings:
Guareschi, Giovanni, 1908-1968--Appreciation--Congresses.
Guareschi, Giovanni, 1908-1968--Criticism and interpretation--Congresses.
Princeton subject headings:
Guareschi, Giovanni, 1908-1968--Criticism and interpretation--Congresses.