Columbia subject headings:
De Filippo, Eduardo, 1900-1984--Congresses.
De Filippo, Eduardo, 1900-1984--Criticism and interpretation.
Italian drama--20th century--Congresses.
Harvard subject headings:
De Filippo, Eduardo, 1900-1984--Congresses.
De Filippo, Eduardo, 1900-1984--Criticism and interpretation--Congresses.
Italian drama--20th century--History and criticism--Congresses.
Princeton subject headings:
De Filippo, Eduardo, 1900-1984--Congresses.
De Filippo, Eduardo, 1900-1984--Criticism and interpretation.
Italian drama--20th century--Congresses.