Columbia subject headings:
Kierkegaard, Søren, 1813-1855.
Nietzsche, Friedrich Wilhelm, 1844-1900.
Philosophy and religion.
Harvard subject headings:
Kierkegaard, Søren, 1813-1855
Nietzsche, Friedrich Wilhelm, 1844-1900
Philosophy and religion.
Princeton subject headings:
Kierkegaard, Søren, 1813-1855.
Nietzsche, Friedrich Wilhelm, 1844-1900.
Philosophy and religion.