Columbia subject headings:
Insurgency--Ireland--History.
Ireland--Politics and government--19th century.
Ireland--Politics and government--20th century.
Violence--Ireland--History.
Harvard subject headings:
Insurgency--Ireland--History.
Ireland--Politics and government--19th century.
Ireland--Politics and government--20th century.
Political violence--Ireland--History.
Violence--Ireland--History.
Princeton subject headings:
Insurgency--Ireland--History.
Ireland--Politics and government--19th century.
Ireland--Politics and government--20th century.
Violence--Ireland--History.