Columbia subject headings:
Hostage negotiations--Congresses.
Hostages--Rehabilitation--Congresses.
Psychiatric consultation--Congresses.
Psychiatric ethics--Congresses.
Terrorism--Congresses.
Terrorism--Psychological aspects--Congresses.
Harvard subject headings:
Hostage negotiations--Congresses.
Hostages--Rehabilitation--Congresses.
Psychiatric consultation--Congresses.
Psychiatric ethics--Congresses.
Terror--Congresses.
Terrorism--Psychological aspects--Congresses.
Princeton subject headings:
Hostage negotiations--Congresses.
Hostages--Rehabilitation--Congresses.
Psychiatric consultation--Congresses.
Psychiatric ethics--Congresses.
Terrorism--Congresses.
Terrorism--Psychological aspects--Congresses.