Columbia subject headings:
Italian literature--20th century--History and criticism--Congresses.
Italian literature--Switzerland--20th century--History and criticism--Congresses.
Italy--Relations--Switzerland--Congresses.
Switzerland--Relations--Italy--Congresses.
Harvard subject headings:
Italian literature--20th century--History and criticism--Congresses
Italian literature--Switzerland--20th century--History and criticism--Congresses.
Italy--Relations--Switzerland--Congresses.
Switzerland--Relations--Italy--Congresses.
Princeton subject headings:
Italy--Intellectual life--Congresses.
Italy--Relations--Switzerland--Congresses.
Switzerland--Relations--Italy--Congresses.