Columbia subject headings:
De Valera, Éamon, 1882-1975.
Ireland--Politics and government--1910-1921.
Ireland--Politics and government--1922-
Northern Ireland--Politics and government.
Harvard subject headings:
De Valera, Éamon, 1882-1975.
Ireland--Politics and government--1910-1921.
Ireland--Politics and government--1922-
Northern Ireland--Politics and government.
Princeton subject headings:
De Valera, Éamon, 1882-1975.
Ireland--Politics and government--1910-1921.
Ireland--Politics and government--1922-
Northern Ireland--Politics and government.