Columbia subject headings:
Great Britain--Foreign relations--1936-1945.
Great Britain--Foreign relations--Spain.
Spain--Foreign relations--Great Britain.
Spain--History--Civil War, 1936-1939.
Harvard subject headings:
Great Britain--Foreign relations--1936-1945.
Great Britain--Foreign relations--Spain.
Spain--Foreign relations--Great Britain
Spain--History--Civil War, 1936-1939--Foreign public opinion, British.
Princeton subject headings:
Great Britain--Politics and government--1936-1945.
Public opinion--Great Britain.
Spain--History--Civil War, 1936-1939--Foreign public opinion, British.