Columbia subject headings:
Existentialism.
Kierkegaard, Søren, 1813-1855.
Phenomenology.
Sartre, Jean-Paul, 1905-1980.
Harvard subject headings:
Existentialism.
Princeton subject headings:
Existentialism.
Kierkegaard, Søren, 1813-1855.
Phenomenology.
Sartre, Jean-Paul, 1905-1980.