Columbia subject headings:
Drama--19th century--History and criticism.
Ibsen, Henrik, 1828-1906--Criticism and interpretation.
Strindberg, August, 1849-1912--Criticism and interpretation.
Harvard subject headings:
Drama--19th century--History and criticism
Ibsen, Henrik, 1828-1906--Criticism and interpretation.
Strindberg, August, 1849-1912--Criticism and interpretation.
Princeton subject headings: