The collection contains extensive correspondence of Baumgardt including letters from the front to his family duringWorld War I, and correspondence with Conrad Aiken, Hannah Arendt, Julius Bab, Bertha Badt-Strauss, Leo Baeck, Isaiah Berlin, Walter Benjamin, Hugo Bergmann, Kurt Blumenfeld, IlseBlumenthal-Weiss, Martin Buber, John Dewey, Dora Edinger, Albert Einstein, Ismar Elbogen, Elisabeth Foerster-Nietzsche, Felix Frankfurter, Sigmund Freud, Georg Heym, SalomoFriedlaender (Mynona), Max Gruenewald, Hermann Hesse (including photos, watercolors, autographed poems), Sidney Hook, Rudolf Kayser, Wolfgang Koehler, Hans Kohn, Georg Landauer,Heinrich Mann, Thomas Mann, Hans Margolius, Reinhold Niebuhr, Erwin Panofsky, Jacob Picard, Kurt Pinthus, Joachim Prinz, Hyman Rickover, Eleanor Roosevelt, Arthur Schlesinger, HansJoachim Schoeps, Gershom Scholem, Toni Sender, Ernst Simon, Chaim Weizmann, Beatrice Webb, Robert Weltsch, and Arnold Zweig. Also included are manuscripts, articles, lectures, and offprints by and about Baumgardt on philosophy, ethics, religion, literature, politics, and other subjects; transcripts ofconversations with Einstein and Freud. Correspondence and reviews about publication of Horizons of a Philosopher (the Festschrift for David Baumgardt). Letters, notes, and manuscripts by Dorothy Canfield Fischer. Photos of Baumgardt's family and friends. Organizational records of the Zionist youth group Ha-Poel Ha-Zair, including minutes of the central council of the organization in Berlin and letters from Georg Landauer, EugenTaeubler and Robert Weltsch, 1919-1921. [AV collection (records)] Interview with Voice of America, February 23, 1955 ( 1 record) [OS 80] Article "Erwachen der Romantik" (1930) (copy in Box 16, Folder 16); page from the Juedische Rundschau with notes by Baumgardt (copy in Box 18, Folder 19); speech "JeremyBentham, an Englishman, to the Citizens of the Several American United States, London 1817" (copy in Box 24, Folder 2) [R 12] Sigmund Freud Autographs (copies in file).