Tatra Confederation
... that the subversive newsletter made for German occupation authorities by the Polish underground Tatra Confederation was so good the Germans thought it was produced internally?
... that the subversive newsletter made for <a href="./Occupation_of_Poland_(1939–1945)" id="mwEWg" rel="mw:WikiLink" title="Occupation of Poland (1939–1945)">German occupation authorities</a> <i id="mwEWk">(pictured)</i> by the Polish underground <b id="mwEWo"><a href="./Tatra_Confederation" id="mwEWs" rel="mw:WikiLink" title="Tatra Confederation">Tatra Confederation</a></b> was so good the Germans thought it was produced internally?