The history of the Jewish Military Union (ZZW) regarding its relations with the Polish underground has been subject to various manipulations. The author believes it is not possible to deny any aid from the group lead by Henryk Iwanski alias Bystry for ZZW although its involvement in the struggle in the ghetto during the April-May 1943 uprising should be ruled out. This is also proved by documents from the former Union of Fighters for Freedom and Democracy (ZBoWiD). On the other hand, assistance to ZZW from the 'Polish Popular Independence Action' (Polska Niepodleglosciowa Akcja Ludowa - PLAN) headed by Cezary Szemley (Janusz Ketling-Szemley) is quite well documented. That assistance has so far been ignored or played down not only by the falsifiers from the Military Organization - Security Cadres but also by Jewish historians, to name Chaim Lazar, Dawid Wdowinski or Marian Apfelbaum. Fresh light is shed on PLAN operations by documents from its commander's private archives that have not been tapped so far.
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