Columbia subject headings:
Great Britain--Armed Forces--Northern Ireland.
Irish Republican Army.
Northern Ireland--History, Military.
Northern Ireland--History--1968-1998.
Terrorism--Northern Ireland.
Violence--Northern Ireland.
Harvard subject headings:
Northern Ireland--History, Military.
Northern Ireland--History--1968-1998.
Princeton subject headings:
Great Britain--Armed Forces--Northern Ireland.
Irish Republican Army.
Northern Ireland--History, Military.
Northern Ireland--History--1968-1998.
Terrorism--Northern Ireland.
Violence--Northern Ireland.