Columbia subject headings:
Bin Laden, Osama, 1957-2011.
September 11 Terrorist Attacks, 2001.
Terrorism.
Terrorists.
United States--Foreign public opinion.
Harvard subject headings:
Princeton subject headings:
Bin Laden, Osama, 1957-2011.
Jihad.
Terrorists--Saudi Arabia--Biography.
Violence--Religious aspects--Islam.