Columbia subject headings:
Harvard subject headings:
Italian literature--Germany--History and criticism--Congresses.
Pirandello, Luigi, 1867-1936--Appreciation--Germany--Congresses.
Pirandello, Luigi, 1867-1936--Stage history--Germany--Congresses.
Theater--Germany--History--20th century--Congresses.
Princeton subject headings:
Italian literature--Germany--History and criticism--Congresses.
Pirandello, Luigi, 1867-1936--Appreciation--Germany--Congresses.
Pirandello, Luigi, 1867-1936--Stage history--Germany--Congresses.
Theater--Germany--History--20th century--Congresses.