Columbia subject headings:
Laughter in art.
Laughter in motion pictures.
Laughter--Philosophy.
Political violence in art.
Violence in art.
Violence--Philosophy.
Wit and humor in art.
Harvard subject headings:
Princeton subject headings:
Laughter in art.
Laughter in motion pictures.
Laughter--Philosophy.
Political violence in art.
Violence in art.
Violence--Philosophy.
Wit and humor in art.