The first proclamation published by the Antifascist Block in the "Der Ruf" (The Call) newspaper in Poland, 15 May 1942

The first proclamation published by the Antifascist Block in the "Der Ruf" (The Call) newspaper in Poland, 15 May 1942 Proclamation in Polish calling on Jews to join the fighters against the Germans in the occupied countries in order to prevent mass murder of Jews in various cities of occupied Poland.