Documentation, including reports and testimonies sent to Nathan Schwalb by Hechalutz movement members in German-occupied countries, a list of aliya training places in the East Upper Silesia area, a postcard sent by Israel Kasztner to Nathan Schwalb regarding the situation in Hungary, and other matters, 1941-1944 - Reports and testimonies sent by Hechalutz movement members in German-occupied countries to Nathan Schwalb, the Hechalutz movement's representative in Geneva; Schwalb consistently sent copies of the reports in German to Saly Mayer, the JDC organization's representative in Switzerland; - Documentation regarding aliya training and the Youth Aliyah organization in Poland, 1941; - Documentation regarding the activities of Hechalutz movement people in Slovakia; - List of aliya training places in the East Upper Silesia area, 06 April 1941; - Report regarding the situation in the Warsaw Ghetto and in the Lodz Ghetto, 27 February 1942; - Postcard sent by Israel Kasztner to Nathan Schwalb, regarding the situation in Hungary, 08 May 1944; - Letter (in Hebrew) sent to Gisi Fleischmann from Presburg, regarding the arrival of a train to Presburg with approximately 1,200 Jews [the Kasztner train], including the Satmar Rebbe (date not mentioned).