Columbia subject headings:
September 11 Terrorist Attacks, 2001, in art.
September 11 Terrorist Attacks, 2001, in literature.
September 11 Terrorist Attacks, 2001, in mass media.
Harvard subject headings:
September 11 Terrorist Attacks, 2001, in art.
September 11 Terrorist Attacks, 2001, in literature.
September 11 Terrorist Attacks, 2001, in mass media.
Princeton subject headings:
September 11 Terrorist Attacks, 2001, in art.
September 11 Terrorist Attacks, 2001, in literature.
September 11 Terrorist Attacks, 2001, in mass media.