Columbia subject headings:
Ireland--Politics and government--1922-1949.
Ireland--Relations--Spain.
Spain--History--Civil War, 1936-1939--Foreign public opinion, Irish.
Spain--History--Civil War, 1936-1939--Participation, Irish.
Spain--Relations--Ireland.
Harvard subject headings:
Ireland--Politics and government--1922-1949
Spain--History--Civil War, 1936-1939--Foreign public opinion, Irish.
Spain--History--Civil War, 1936-1939--Participation, Irish.
Spain--Relations--Ireland.
Princeton subject headings:
Ireland--Politics and government--1922-1949.
Spain--History--Civil War, 1936-1939--Foreign public opinion, Irish.
Spain--History--Civil War, 1936-1939--Participation, Irish.
Spain--Relations--Ireland.