Columbia subject headings:
Terrorism--Prevention--Government policy--Great Britain.
Terrorism--Prevention--International cooperation.
War on Terrorism, 2001-
Harvard subject headings:
Terrorism--Prevention--Government policy--Great Britain.
Terrorism--Prevention--International cooperation
War on Terrorism, 2001-2009
Princeton subject headings:
Terrorism--Prevention--Government policy--Great Britain.
Terrorism--Prevention--International cooperation.
War on Terrorism, 2001-2009.