Columbia subject headings:
Harvard subject headings:
Ireland--Civilization--18th century.
Ireland--Civilization--19th century.
Ireland--Civilization--20th century.
Nationalism--Ireland--History--18th century.
Nationalism--Ireland--History--19th century
Nationalism--Ireland--History--20th century
Princeton subject headings:
Ireland--Civilization--18th century.
Ireland--Civilization--19th century.
Ireland--Civilization--20th century.
Nationalism--Ireland--History--18th century.
Nationalism--Ireland--History--19th century.
Nationalism--Ireland--History--20th century.