Columbia subject headings:
Mitchell, George J. (George John), 1933-
Northern Ireland--Politics and government--1998-
Harvard subject headings:
Mitchell, George J. (George John), 1933-
Northern Ireland--Politics and government--1998-.
Peace movements--Northern Ireland--History--20th century
Princeton subject headings:
Mitchell, George J. (George John), 1933-
Northern Ireland--Politics and government--1998-.