Columbia subject headings:
Ionesco, Eugène--Criticism and interpretation--Congresses.
Ionesco, Eugène--Dramatic production--Congresses.
Ionesco, Eugène--Stage history--Congresses.
Harvard subject headings:
Ionesco, Eugène--Criticism and interpretation--Congresses.
Ionesco, Eugène--Dramatic production--Congresses.
Princeton subject headings:
Ionesco, Eugène--Criticism and interpretation--Congresses.