File cards prepared by Erich Kulka as an aid to his work - B Notebooks used by Erich Kulka in which he concentrated his notes on a variety of the subjects with which he dealt in his research and essays, for example, forced laborers at the Union Factory in Auschwitz; his escape from a transport with his son at the end of the war; the Sonderkommando workers; notes for "From Suffering to Resistance", an essay regarding his experiences, in order to receive an Honorary Doctorate from Spertus College; notes regarding the exhibition on the Jewish resistance at the German Resistance Memorial Center in Berlin; notes regarding his trips abroad; notes regarding interviews collected by Erich Kulka on various subjects.