Sorge was invited to join the Red Army's Fourth Department (the later GRU, or military intelligence) by department head Yan Karlovich Berzin
Text from Wikipedia, available under CC BY-SA 4.0.
- #wikipedia
- #event
Sorge was invited to join the Red Army's Fourth Department (the later GRU, or military intelligence) by department head Yan Karlovich Berzin
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-17 from Wikipedia. The archived copy is preserved so this citation survives link rot.