Columbia subject headings:
Harvard subject headings:
Aesthetics--Congresses
Christianity--Philosophy--Congresses
Ethics--Congresses
Existentialism--Congresses.
Kierkegaard, Søren, 1813-1855--Criticism and interpretation--Congresses.
Metaphysics--Congresses
Philosophy, Modern--Congresses.
Philosophy--Congresses
Schopenhauer, Arthur, 1788-1860--Criticism and interpretation--Congresses.
Theology--Congresses
Princeton subject headings:
Existentialism.
Kierkegaard, Søren, 1813-1855.
Metaphysics.
Schopenhauer, Arthur, 1788-1860.
Will.