Columbia subject headings:
Power (Social sciences)--Congresses.
Terrorism--Argentina--Congresses.
Terrorism--Congresses.
Terrorism--Northern Ireland--Congresses.
Violence--Congresses.
Harvard subject headings:
Princeton subject headings:
Power (Social sciences)--Congresses.
Terrorism--Argentina--Congresses.
Terrorism--Congresses.
Terrorism--Northern Ireland--Congresses.
Violence--Congresses.