Columbia subject headings:
Northern Ireland--History--1968-1998.
Northern Ireland--Politics and government--1968-1998.
Rees, Merlyn.
Harvard subject headings:
Northern Ireland--History--1968-1998.
Northern Ireland--Politics and government--1968-1998.
Rees, Merlyn.
Princeton subject headings:
Northern Ireland--History--1968-1998.
Northern Ireland--Politics and government--1968-1998.