Columbia subject headings:
Harvard subject headings:
Conduct of life.
Life
Life in literature.
Life--Psychological aspects.
Princeton subject headings:
Adler, Alfred, 1870-1937.
Döblin, Alfred, 1878-1957.
Eucken, Rudolf, 1846-1926.
Frankl, Viktor E., 1905-1997.
Heidegger, Martin, 1889-1976.
Hesse, Hermann, 1877-1962.
Jung, C. G., 1875-1961.
Literature.
Mann, Thomas, 1875-1955.
Philosophy.
Schmid, Wilhelm, 1953-