Columbia subject headings:
Northern Ireland--Economic conditions.
Northern Ireland--Politics and government--1968-1998.
Northern Ireland--Social conditions--1969-
Harvard subject headings:
Northern Ireland--Economic conditions.
Northern Ireland--Politics and government--1968-1998.
Northern Ireland--Social policy.
Princeton subject headings:
Northern Ireland--Economic conditions.
Northern Ireland--Politics and government--1968-1998.
Northern Ireland--Social conditions--1969-