Columbia subject headings:
Irish Republican Army.
Northern Ireland--Politics and government--1968-1998.
Sinn Fein.
Harvard subject headings:
Ireland--History, Military--20th century.
Ireland--Politics and government--1949-
Irish Republican Army--History.
Northern Ireland--History, Military.
Northern Ireland--Politics and government--1968-1998.
Northern Ireland--Politics and government--1998-.
Sinn Fein--History.
Violence--Ireland--History--20th century.
Violence--Northern Ireland--History.
Princeton subject headings:
Northern Ireland--Politics and government--1968-1998.
Provisional IRA.
Sinn Fein the Workers' Party.