Columbia subject headings:
Soviet Union--Foreign relations--1917-1945.
Soviet Union--History--Allied intervention, 1918-1920.
Harvard subject headings:
Great Britain--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--1917-1945.
Soviet Union--Foreign relations--Great Britain.
Soviet Union--History--Allied intervention, 1918-1920.
World War, 1914-1918--Diplomatic history
Princeton subject headings:
Soviet Union--Foreign economic relations.
Soviet Union--Foreign relations--1917-1945.
Soviet Union--History--Allied intervention, 1918-1920.
Soviet Union--History--Revolution, 1917-1921.