Columbia subject headings:
Qaida (Organization)
Security, International.
Terrorism--Prevention--Government policy.
War on Terrorism, 2001-2009.
Harvard subject headings:
Qaida (Organization)
Security, International
Terrorism--Prevention--Government policy
War on Terrorism, 2001-2009
Princeton subject headings:
Qaida (Organization)
Security, International.
Terrorism--Prevention--Government policy.
War on Terrorism, 2001-2009.