Columbia subject headings:
Ireland--Civilization.
Ireland--Politics and government--1837-1901.
Ireland--Politics and government--20th century.
Harvard subject headings:
Ireland--Civilization--20th century.
Ireland--Civilization.
Ireland--Politics and government--1837-1901.
Ireland--Politics and government--20th century.
Princeton subject headings:
Ireland--Civilization.
Ireland--Politics and government--1837-1901.
Ireland--Politics and government--20th century.