Columbia subject headings:
Europe--Politics and government--1918-1945.
Great Britain--Foreign relations--1936-1945.
World War, 1939-1945--Great Britain.
Harvard subject headings:
Europe--Politics and government--1918-1945.
Great Britain--Foreign relations--1936-1945.
World War, 1939-1945--Great Britain.
Princeton subject headings:
Europe--Politics and government--1918-1945.
Great Britain--Foreign relations--1936-1945.
World War, 1939-1945--Great Britain.