Columbia subject headings:
Argentina--Relations--Spain.
Argentina. Armada.
Spain--History--Civil War, 1936-1939.
Spain--Relations--Argentina.
Harvard subject headings:
Argentina--Foreign relations--Spain.
Argentina. Armada--History--20th century.
Spain--Foreign relations--Argentina.
Spain--History--Civil War, 1936-1939--Participation, Argentine.
Princeton subject headings:
Argentina--Foreign relations--Spain.
Argentina. Armada--History--20th century.
Spain--Foreign relations--Argentina.
Spain--History--Civil War, 1936-1939--Participation, Argentine.