Columbia subject headings:
Harvard subject headings:
De Valera, Éamon, 1882-1975--Congresses.
De Valera, Éamon, 1882-1975--Congresses.
Ireland--Politics and government--1910-1921--Congresses.
Ireland--Politics and government--1922---Congresses.
Presidents--Ireland--Biography--Congresses.
Princeton subject headings:
De Valera, Éamon, 1882-1975--Congresses.
Ireland--Politics and government--20th century--Congresses.