Columbia subject headings:
Ireland--Foreign relations--Spain.
Ireland--Politics and government--1922-1949.
Spain--Foreign relations--Ireland.
Spain--History--Civil War, 1936-1939--Foreign public opinion.
Spain--History--Civil War, 1936-1939--Participation, Irish.
Harvard subject headings:
Ireland--Politics and government--1922-1949.
Political parties--Ireland--History--20th century.
Public opinion--Ireland--History--20th century.
Spain--History--Civil War, 1936-1939--Foreign public opinion, Irish.
Spain--History--Civil War, 1936-1939--Participation, Irish.
Princeton subject headings:
Ireland--Foreign relations--Spain.
Spain--Foreign relations--Ireland.
Spain--History--Civil War, 1936-1939--Foreign participation--Irish.
Spain--History--Civil War, 1936-1939--Foreign public opinion.