Columbia subject headings:
European drama--19th century--History and criticism--Congresses.
European drama--20th century--History and criticism--Congresses.
Ibsen, Henrik, 1828-1906--Criticism and interpretation--Congresses.
Pirandello, Luigi, 1867-1936--Criticism and interpretation--Congresses.
Strindberg, August, 1849-1912--Criticism and interpretation--Congresses.
Harvard subject headings:
European drama--19th century--History and criticism--Congresses.
European drama--20th century--History and criticism--Congresses.
Ibsen, Henrik, 1828-1906--Criticism and interpretation--Congresses.
Pirandello, Luigi, 1867-1936--Criticism and interpretation--Congresses.
Strindberg, August, 1849-1912--Criticism and interpretation--Congresses.
Princeton subject headings:
Drama--19th century--History and criticism--Congresses.
Drama--20th century--History and criticism--Congresses.
Ibsen, Henrik, 1828-1906--Criticism and interpretation.
Pirandello, Luigi, 1867-1936--Criticism and interpretation.
Strindberg, August, 1849-1912--Criticism and interpretation.