Documentation, including a list of Jewish refugees from Poland who are in Hungary that was sent to Saly Mayer by Nathan Schwalb, a letter written by Israel Kasztner to Saly Mayer regarding the negotiations with the SS, a report by Philip von Freudiger regarding the events in Hungary, and other matters; documents dated, 1944-1978 - List of names of Jewish refugees from Poland who are still in Hungary, sent to Saly Mayer by Nathan Schwalb, 03 October 1944; - Letter written by Israel Kasztner to Saly Mayer, regarding the "ARBA" [?] negotiations with the SS, 10 October 1944; - Report sent by Philip von Freudiger to Saly Mayer, 13 October 1944, regarding the events in Hungary from 19 March-10 August 1944; - Reports prepared by the Hechalutz movement regarding the situation of the Jews in Hungary, sent by Nathan Schwalb to Saly Mayer, including photographs of Jews from Budapest being deported on foot, 22 November 1944; - Correspondence [apparently by Saly Mayer] with Carl Lutz, the deputy Swiss Consul in Budapest; - Documentation regarding the activities of Carl Lutz on behalf of the Jews in Hungary, during the war and after the war, 1944-1945; - Correspondence [apparently by Saly Mayer] with the Red Cross organization, regarding the transfer of relief to the Jews in Hungary; - List of Jewish inmates in Mauthausen camp who were proposed by Israel Kasztner to SS man Kurt Becher for release, 22 April 1945; - Documentation regarding "Konto Hungaria" [?], including monetary data concerning the financing of the relief that was transferred by the JDC to the Jews in Hungary, 1944-1945; - Documentation regarding the activities of Andreas Biss, head of the Relief and Rescue Committee in Budapest, 1945; - Reports by the Hechalutz movement regarding the situation of the Jews in Hungary; - Letter written by Nathan Schwalb regarding the sums of money donated by the JDC to the Hechalutz movement in order for Hechalutz to actualize their activities in Hungary and Slovakia, 15 May 1945; - Newspaper clipping regarding the granting of a medal by Yad Vashem to Gertrud Lutz, the widow of Carl Lutz, 21 August 1978.