Columbia subject headings:
Harvard subject headings:
Ibsen, Henrik, 1828-1906--Aesthetics.
Ibsen, Henrik, 1828-1906--Criticism and interpretation.
Ibsen, Henrik, 1828-1906.
Kierkegaard, Søren, 1813-1855
Kierkegaard, Søren, 1813-1855--Aesthetics.
Princeton subject headings:
Ibsen, Henrik, 1828-1906--Aesthetics.
Ibsen, Henrik, 1828-1906--Criticism and interpretation.
Kierkegaard, Søren, 1813-1855--Aesthetics.