This collection contains a wide variety of materials concerning Albert Dann, his ancestors, and children. Included are genealogical materials, correspondence, biographical information, and official, business, and restitution documents.

Various documents pertaining to Alfred Philipp’s work as a community rabbi and a scholar, primarily his doctoral thesis about Werner Sombart’s work ´Die Juden und das Wirtschaftsleben´ (“Jews and the economy”).

The collection contains a comprehensive or nearly comprehensive collection of the newsletter sent regularly to former members of the Bar Kochba and Theodor Herzl academic associations of Prague which existed in the first part of the 20th century. Numerous prominent writers, scientists, lawyers, doctors, and other men and women of note stemming from German-speaking families of Bohemia published historical, political, and scientific essays, articles, and letters in the pages of the internationally-distributed newsletter. The newsletters in this collection were mailed to Robert Weltsch, a member and frequent contributor.

This collection contains the writings and correspondence of Eduard Strauss. Strauss was a chemist and philosopher who taught at the Freies Juedisches Lehrhaus in Frankfurt am Main and later immigrated to New York, where he helped establish a new Lehrhaus.

This collection contains a few letters sent to Cohn by notables such as Leo Baeck, Stefan Zweig, Martin Buber, and others, as well as a couple of Cohn's sermons and manuscripts and two scrapbooks.

The Frederick Lachmann collection includes fragmentary materials that allow us all but a glance into the life and professional activities of Frederick Lachmann and members of his family. The core of the collection consists of printed copies of articles that Frederick Lachmann wrote for Aufbau. Also included in the collection are correspondence, photographs, and writings.

Papers of Hans Epstein (1905-1960), educator and historian. The collection consists of documents relating to Epstein's teaching activities during Nazi rule in Germany, and in New York during and after the Second World War; correspondence from before the emigration with individuals and organizations (including with Martin Buber, and Adolf Leschnitzer of the Reichsvertretung der Deutschen Juden); personal and business correspondence relating to immigration in 1938 and Epstein's work in New York; posters and postcards.

The Hans Tramer Collection consists of 8 boxes and 52 folders.

This collection contains a congratulatory letter honoring Dr. Friedrich Wilhelm Foerster on his 90th birthday in Folder 1; the letter is signed by German Jewish academics in Israel. Folder 2 contains a list of individual and organizational members of the Organizing Committee for the Expansion of the Jewish Agency in Germany, as of June 24, 1929 (photocopy). Folder 3 contains an obituary for Henry Schwarzschild, New York Times, June 4, 1996. Folder 4 contains a post card from Dorothee Andres to Henry Schwarzschild, and a program for Brown's Lake Resort, Burlington, Wisconsin.

A group photograph of ‘Verband der jüdischen Jugendvereine Deutschlands‘ including Martin Buber and his portrait photography, Munich in June 1930, have been removed to the LBI Photograph Collection.

This collection documents select periods throughout the life and career of German poet Ilse Blumenthal-Weiss. Containing material related to her personal and professional life, the bulk of this collection is made up of correspondence. Also included are poetry drafts, lectures, a manuscript, press clippings, and ephemera.

The collection contains the correspondence of the Leo Baeck Institute Jerusalem from 1950 up until 2005 and comprises 42 folders. The file contains internal correspondence of the institute's staff, as well as correspondence with other individuals and institutions. The correspondence includes minutes of meetings, requests for support, applications for scholarships, and research inquiries. It also addresses topics such as book publishing, donations of archival materials, cooperation with other institutes, and current affairs.

The collection contains letters and postcards to Leo Herrmann, his wife Lola Herrmann, and daughter Ruth Herrmann from various senders, including Max Brod, Franz Werfel, George Bernard Shaw, Martin Buber, and Albert Einstein.

This collection contains papers of the philosopher, author and scholar Martin Buber. Notable among the papers are his letters to his colleague and friend Franz Rosenzweig on a number of subjects, including their translation of the Bible. Other material consists of typescripts of lectures, a few letters to other individuals, photographs, invitations and some material on events about him.

This collection consists of material pertaining to Pinchas E. Rosenbluth (1906-1985).

This collection's diary, personal dedications, correspondence, newspaper clippings, and photographs pertain to the legacy of Robert Weltsch, an eminent journalist, editor, and Zionist. The collection also documents the lives of Robert Weltsch’s family members including his wife Martha and their children, Ruben and Shoshanah, and the implications of their Jewish heritage on their choice to emigrate to Palestine amid the rise of Nazi Germany.

The Rudolph Seiden Collection describes the life and work of Rudolph Seiden, who was a chemist and a Zionist activist. Included in this collection is personal and editorial correspondence regarding Judaism, Zionism, anti-Semitism and the proposed Jewish resettlement in Alaska in the 1930s. Unpublished manuscripts collected by Rudolph Seiden for the Foreign Authors’ Syndicate can be found in this collection as well as autographs from Max Brod, Lujo Brentano, Franz Oppenheimer, Erich Muehsam, Arthur Schnitzler and Otto Warburg.

The Steven Schwarzschild Collection documents professional activities of Steven S. Schwarzschild, researcher, philosopher, rabbi and teacher. It also documents (to a much smaller degree) the personal lives of Steven Schwarzschild and his wife Lily. The collection includes brochures, booklets, clippings, correspondence, notes, off prints, photographs, printed materials, and writings. Documents comprising the collection shed light on Steven Schwarzschild’s education, and reflect various aspects of Steven Schwarzschild’s involvement with Judaism, as leader of Jewish congregations in Fargo, North Dakota and Lynn, Massachusetts; his academic career, research and writings in the fields of philosophy and theology.