Documentation regarding relief to Jews in the Netherlands, including correspondence between Saly Mayer and Gertrude Van Tijn, head of the Comite Voor Joodsche Vluchtelingen - CJV (Committee for Jewish Refugees) in Amsterdam, an entrance visa to Switzerland for G. Van Tijn, reports regarding the deportation of the Jews from Amsterdam to Westerbork camp, and other matters, 1939-1949 - Correspondence between Saly Mayer and Gertrude Van Tijn, head of the Comite Voor Joodsche Vluchtelingen - CJV (Committee for Jewish Refugees) in Amsterdam, regarding relief to the persecuted Jews in the Netherlands by the JDC organization; - Correspondence between Gertrude Van Tijn and the JDC organization's center in Lisbon, regarding the emigration of Jews from the Netherlands; Van Tijn was writing on behalf of the Joodsche Raad (Jewish Council) in Amsterdam, May 1942; - Documentation regarding the attempt to receive an entrance visa to Switzerland for Van Tijn, December 1942-February 1943; - Copy of G. Van Tijn's entrance visa to Switzerland, issued, 22 January 1943; - Photograph of a group of Jews wearing the yellow badge, 1943; - Request to extend G. Van Tijn's entrance visa to Switzerland, along with her photograph, 10 May 1943; - Documentation regarding exchanges of Jews in the Netherlands, in exchange for Germans in Mandatory Palestine; G. Van Tijn stayed in Westerbork camp, as of October 1943; - Report regarding the destruction of the Jews in the Netherlands; - Reports, 23 February 1944, regarding the deportation of the Jews from Amsterdam to Westerbork camp as of 15 July 1942 and regarding Westerbork camp life; G. Van Tijn stayed in Bergen-Belsen camp, as of March 1944; - Reports regarding the results of the distribution of permits [apparently "certificates"] for aliya to Eretz Israel and other documents in the Netherlands, 10 March 1944; - Correspondence between Saly Mayer and the Joodsche Coordinatie Commissie (Jewish Coordination Committee) in Geneva, regarding relief to the Jews in the Netherlands, 1944-1945; - Documentation regarding the release of G. Van Tijn in the context of the Exchange agreements, July 1944.