Columbia subject headings:
Churchill, Winston, 1874-1965.
Soviet Union--History--Allied intervention, 1918-1920.
Harvard subject headings:
Churchill, Winston, 1874-1965
Great Britain--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Great Britain.
Soviet Union--History--Allied intervention, 1918-1920.
Princeton subject headings:
Churchill, Winston, 1874-1965.
Soviet Union--History--Allied intervention, 1918-1920.