Columbia subject headings:
Harvard subject headings:
Communist strategy.
Soviet Union--Foreign relations--1917-1945.
Soviet Union--Strategic aspects.
Strategy--Political aspects--Soviet Union--History--20th century.
World War, 1939-1945--Diplomatic history.
World War, 1939-1945--Soviet Union.
Princeton subject headings:
Communist strategy.
Soviet Union--Foreign relations--1917-1945.
World War, 1939-1945--Diplomatic history.