Columbia subject headings:
Harvard subject headings:
Northern Ireland--Politics and government--1968-1998.
Northern Ireland--Politics and government--1998-.
Politicians--Northern Ireland--Biography
Spence, Gusty, 1933-
Unionism (Irish politics)
Princeton subject headings:
Northern Ireland--History--1968-1998.
Northern Ireland--History--1998-
Northern Ireland--Politics and government--1968-1998.
Northern Ireland--Politics and government--1998-
Politicians--Northern Ireland--Biography.
Spence, Gusty.
Terrorists--Northern Ireland--Biography.
Unionism (Irish politics)