Columbia subject headings:
Harvard subject headings:
Busch, Wilhelm, 1832-1908
German wit and humor--Philosophy.
Heine, Heinrich, 1797-1856
Kierkegaard, Søren, 1813-1855
Schopenhauer, Arthur, 1788-1860
Wit and humor--Philosophy
Princeton subject headings:
Busch, Wilhelm, 1832-1908--Criticism and interpretation.
Heine, Heinrich, 1797-1856--Criticism and interpretation.
Humor in literature.
Kierkegaard, Søren, 1813-1855.
Wit and humor--Philosophy.
Wit and humor--Religious aspects--Christianity.