The “Polish question” in Soviet-German relations in the second half of the 1920s (based on the materials of the USSR consulate in Königsberg)
... business elite to develop economic cooperation with the Soviet Union. The People's Commissariat for Foreign Affairs tried to transform East Prussia into a Soviet lobby in the German government. These plans were not implemented at that time, but the 1920s ideas of cooperation between the two states on the anti-Polish basis were put into practice on the eve of World War II.
1. Gorlov, S. A. 1990, Sovetsko-germanskoe voennoe sotrudnichestvo v 1920—1933 gg. [The Soviet-German military cooperation ...