Riga: Reconciling nation and class in imperial borderlands: the making of Bolshevik internationalists Karl Radek and Feliks Dzierzynski in east central Europe
Mawdsley: The Russian Civil War. Birlinn Limited, Edinburgh 2005, ISBN 1-84341-024-9. Richard Pipes: Russia under the Bolshevik Regime. Random House, New
rivals : America and Russia since World War II (1976) online Unterberger, Betty Miller. "Woodrow Wilson and the Bolsheviks: The 'Acid Test' of Soviet–American
Russia under the Bolshevik regime 1919–1924, London 1994, S. 416 Stephen Koch: Double Lives. Spies and Writers in the Secret Soviet War of Ideas Against