Columbia subject headings:
Aeronautics--Law and legislation--United States.
Civil defense--Law and legislation--United States--States.
Hijacking of aircraft--United States.
Pan Am Flight 103 Bombing Incident, 1988.
Terrorism--United States--Cases.
Terrorism--United States--States.
Terrorism--United States.
Harvard subject headings:
Hijacking of aircraft--United States
Terrorism--United States
Terrorism--United States--Cases.
Terrorism--United States--States.
Princeton subject headings:
Aeronautics--Law and legislation--United States.
Law--United States--States.
Law--United States.
Pan Am Flight 103 Bombing Incident, 1988.
Security, International.
Terrorism--United States--Cases.
Terrorism--United States.