Columbia subject headings:
Ireland--Politics and government--1949-
Ireland--Social conditions.
Northern Ireland--Politics and government--1968-1998.
Northern Ireland--Social conditions--1969-
Harvard subject headings:
Ireland--Politics and government--1949-
Ireland--Social conditions--1973-
Ireland--Social conditions.
Northern Ireland--Politics and government--1968-1998.
Northern Ireland--Social conditions--1969-
Princeton subject headings:
Ireland--Politics and government--1949-
Ireland--Social conditions.
Northern Ireland--Politics and government--1968-1998.
Northern Ireland--Social conditions--1969-