Columbia subject headings:
Civil rights--United States.
National security--Law and legislation--United States.
Terrorism--Government policy--United States.
War on Terrorism, 2001-2009.
Harvard subject headings:
Civil rights--United States
National security--Law and legislation--United States
Terrorism--Government policy--United States
War on Terrorism, 2001-2009
Princeton subject headings:
Civil rights--United States.
National security--Law and legislation--United States.
Terrorism--Government policy--United States.
War on Terrorism, 2001-2009.