Dr. Abraham Silberschein Archive: Correspondence with Reche Freier from the Eretz Israel office in Berlin regarding the release of Polish citizens from camps and the search for ways to have them make aliya to Eretz Israel Also in the file: - Copy of correspondence of Reche Freier with the Reich's Association of the Jews in Germany and the Eretz Israel office regarding release from her positions, February 1940; - Correspondence with Reche Freier in Zagreb regarding organizing aliya of youth from Germany via Yugoslavia as part of Aliya Bet, August 1940-February 1941; - Correspondence regarding the ship, "Pentcho", July-August 1940; - Letter regarding the abandonment of Jews of Polish origin in Germany by Dr. Paul Eppstein, and prevention of their emigration, 05 March 1940.