To close out this miniseries on the First Five-Year Plan I'm covering Soviet diplomacy during the early 30s. The Great Depression came at a good time for the USSR and covered up much of its weakness during the dislocations of the period, but there was still threats that needed addressing. 

1. Haslam, Jonathan Soviet Foreign Policy 1930-33: The Impact of the Depression Macmillan Press Ltd 1983
2. Kotkin, Stephen Stalin: Waiting for Hitler, 1929-1941 Penguin Press 2017
3. Suny, Ronald Grigor The Cambridge History of Russia Volume III: The Twentieth Century Cambridge University Press 2006
4. Kenez, Peter A History of the Soviet Union from the Beginning to the End, 2nd Edition Cambridge University Press 2006

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