Columbia subject headings:
Harvard subject headings:
September 11 Terrorist Attacks, 2001, in mass media.
September 11 Terrorist Attacks, 2001--Press coverage--Germany.
September 11 Terrorist Attacks, 2001--Press coverage--United States.
Princeton subject headings:
September 11 Terrorist Attacks, 2001, in mass media.
September 11 Terrorist Attacks, 2001--Press coverage--Germany.
September 11 Terrorist Attacks, 2001--Press coverage--United States.