Columbia subject headings:
Christianity--Philosophy.
Kierkegaard, Søren, 1813-1855--Religion.
Harvard subject headings:
Kierkegaard, Søren, 1813-1855
Kierkegaard, Søren, 1813-1855--Authorship.
Kierkegaard, Søren, 1813-1855--Contributions in ontology.
Philosophy and religion.
Princeton subject headings:
Christianity--Philosophy.
Kierkegaard, Søren, 1813-1855--Religion.