Analysis of information sources in references of the Wikipedia article "Red Orchestra (espionage)" in English language version.
Originally appeared in Russian under title: V serdt︠s︡e "Tretʹego reĭkha." Translation by Klaus-Dieter Goll
Originally appeared in Russian under title: V serdt︠s︡e "Tretʹego reĭkha." Translation by Klaus-Dieter Goll