Survey regarding the Bialystok Ghetto including events during the "Aktion",15 January-17 February 1943 Sealing of the boundaries of the city, November 1942; deportation of Jews to concentration camps; transfer of Jews from concentration camps to Treblinka; execution of Jews in Treblinka; reduction of the boundaries of the Bialystok Ghetto without affecting the Jews; "Aktion" under the command of the Gestapo officer, Fritz Friedel, 05 February 1943; Jews in hiding throughout the "Aktion"; refusal of the Jewish police to participate in carrying out the "Aktion"; killing of a German by members of the underground; execution of 120 Jews as retaliation for the killing of the German; continuation of the "Aktion", 06 February 1943; discovery of hiding places of Jews; hunger; distribution of food to Jews in hiding by members of the Jewish underground; execution of approximately 1,000 Jews who had been in hiding; Judenrat activities during the "Aktion"; turning himself in to the Gestapo by Melamed, the Jew, after killing a German; execution of Melamed by hanging, 08 February 1943; Friese's visit in the Bialystok Ghetto and his promise not to hurt factory workers; execution of 700 other people; discovery of the hiding places of hundreds of Jews; deportation of the Jews who had been in hiding to Treblinka, 09 February 1943; betrayal of hiding places by Jews; Jewish underground activities including acts of revenge against the Germans; refusal of the Jewish police to cooperate with the Germans during the "Aktion"; rescue of Jews by Jewish policemen; end of the "Aktion", 17 February 1943.