The bulk of the collection consists of correspondence to Bertha Badt-Strauss from various writers and friends between 1940 and 1969. The letters deal with topics related to emigration/immigration, Judaism, Zionism and publishing opportunities in the United States and Mexico. Included are manuscripts, poems, photographs and clippings of Badt-Strauss's correspondents, as well as some of her own writings.

This collection contains the records of the Council of Jews from Germany (Council for the Protection of the Rights and Interests of Jews from Germany). It represents the interests of former German Jews in matters of restitution and indemnification, legislation, contacts with successor organizations for heirless Jewish property in West Germany, and social work activities, and was a founding member of the Conference on Jewish Material Claims against Germany (the Claims Conference). The records primarily range from the 1950s to the 1970s, and include correspondence concerning all aspects of restitution, particularly with the Claims Conference, internal minutes and other administrative and financial documents, and a small amount of cultural material.

Emigration 1864-1952: This collection - encompassing about 90 years - contains papers about the situation and persecution of Jews in Eastern European countries (Russia, Poland, Roumania, Bulgaria, Lithuania). Papers describe the activities of various relief organizations. There are more than 170 papers (ca.900 pages), about half of them written in German, about 30 each in French or English, over 20 in Yiddish and some in Polish. A printed appeal of the Reichsausschuss fuer Russisch-Juedische Fluechtlingshilfe, Berlin (1929) carries among others the signatures of Leo Baeck and ALbert Einstein. (VI, 16).

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 Eva Abraham-Podietz Family Collection holds the assorted papers of members of the Jacobus, Rosenbaum, Rosenberg and related families. Included in the collection are official documents, personal papers, family trees, photographs, and articles.

This collection holds the papers of publisher and rare book dealer Felix I. Kauffmann, and contains documents relating to the family publishing house, his military service in World War I, and membership in Jewish organizations. The collection includes some correspondence with Leo Baeck as well as other correspondence, official documents such as military, vital and legal papers, curricula vitae, newspaper clippings and articles, and other papers.

Franz Rosenzweig (1886-1929), philosopher and theologian, belonged to the important personalities of the German Jewish intellectual life after the First World War. Franz Rosenzweig started the Freie Juedische Lehrhaus, where he tried to teach Jewish tradition and culture as part of real life experience and in this way bring it closer to assimilated German Jewry. He wrote several philosophical works and translated the Hebrew Bible with Martin Buber. The Franz Rosenzweig collection contains manuscripts of many of Franz Rosenzweig’s smaller works, some of his personal items, and correspondence with his parents and with more than fifty of his friends and colleagues. The collection contains other correspondence, and a great number of newspaper clippings, photographs, and some objects.

The collection mainly contains articles, notes, manuscripts and other writings by Fritz Friedlaender on various topics as well as articles from other authors on related topics. There are articles on Gabriel Riesser, Friedrich Meinecke, Moritz Heimann, Heinrich Heine, Stefan Zweig, Richard Beer-Hofmann, Ulrich Sanders and others. The collection also contains letters to Friedlaender from Leo Baeck, Ismar Elbogen, and Max Wiener (1935-1972), and misc. personal documents.

This collection offers an insight into the life of Fritz Kaufmann, philosopher and early disciple of Edmund Husserl and the phenomenologist movement. He lectured in philosophy at the Universities of Freiburg and Berlin until forced to leave the country and immigrating to the United States in 1938. The bulk of the collection focuses on Kaufmann's professional responses to the increasing restrictions of the Nazi Regime between the years of 1934 and 1936. Furthermore, the collection includes lecture scripts and a shorthand manuscript of Kaufmann relating to his last unfinished work, the introduction of Leo Baeck's book Aus drei Jahrtausenden.

Correspondence, personal documents, family tree, IDs, documents relating to emigration, school documents, US Army papers, vocational documents (Photocopies)

The collection consists of material pertaining to Rabbi Leo Baeck. The material, mostly secondary, was collected by the Leo Baeck Institute’s staff and in some cases bear markings and notes by the Institute’s staff.

Clippings, book reviews and published commentaries concerning Hannah Arendt’s book "Eichmann in Jerusalem" and the controversy that it caused, in particular regarding the question of collaboration by Jewish communal organizations, notably the Reichsvertretung der deutschen Juden, and the role of such leaders as Leo Baeck.

Various writings - poetry, short stories, essays, etc. - of Ida Loewenson, who used the penname Ida Loefen. Also included are Loewinson family trees.

This collection holds official documents, correspondence, genealogical research material, and photographs from and about the Veit-Simon family. It gives an insight into the life of a Jewish family in Berlin during the 19th and 20th centuries. The collection also contains material pertaining to two restitution claims in the 1990s.

The collection holds mostly manuscripts of lectures given primarily at institutions of Jewish adult education. They were given by various scholars, lecturing on Judaism; Jewish history; Jewish philosophy; and other topics pertaining to Jewish culture.

Various materials from and about the Jewish Theological Seminary in Breslau, including manuscripts, publications and photographs.

Brochures from the Jewish museum in Frankfurt/Main and related articles from the press.

This collection contains various materials pertaining to the Jewish boarding school ("Landschulheim Herrlingen").

The Leo Baeck Collection documents the life and work of Rabbi Leo Baeck, well-known as a leader, scholar, and spokesman for German Jewry. Although the most prominent items in this collection are articles, clippings, and biographical material on Leo Baeck, the collection also holds original manuscripts of his writing, as well as personal documents, correspondence, and a small amount of photographs and artwork.

The bulk of this correspondence contains letters from Rabbi Leo Back and his daughter, Ruth Berlak-Baeck to Rabbi Fritz Steinthal.

The Leo Baeck Family Collection documents the lives and influential events of members of the Baeck and Berlak families, specifically Leo Baeck, Ruth and Hermann Berlak, and Marianne and A. Stanley Dreyfus. Most prominent is the documentation on Leo Baeck's life; other salient themes include the World War I experience of Hermann Berlak and the Dreyfuses' involvement in preserving the memory of Leo Baeck's life and teachings. The collection includes extensive correspondence; a large accumulation of articles, especially those focused on Leo Baeck; a smaller amount of personal papers, manuscripts, drafts and notes; and a few photographs and slides.

This collection contains catalogs, announcements, invitations, reviews and clippings about exhibits at the Leo Baeck Institute, New York.

Series V of the Leo Baeck Institute Institutional Archives consists of clippings, photographs, A/V materials, and a few other original documents that have been assembled at LBI New York, 1955-1997.

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 Leo Baeck Institute was founded by representative organizations of Jews from Germany for the purpose of collecting material on and sponsoring research into the history of the Jewish community in Germany and in other German-speaking countries from the Emancipation to its dispersion. The Institute is named in honor of the man who was the last representative figure of German Jewry in Germany during the Nazi period. The Leo Baeck Memorial Lecture is an annual event at the Leo Baeck Institute in New York, when esteemed academics and scholars talk about various aspects of the German-Jewish experience and history, as well as to other, related topics.

This collection holds the papers of Leo Baerwald, rabbi of the Munich Jewish community from 1918-1940. Included are some of his religious writings, correspondence, and genealogical material. Other subjects of this collection are the Lazarus family, the Munich Jewish community, and Leo Baeck. Documents include manuscripts, letters, clippings, memorial albums, and family trees.

Series I of the collection pertains to Rabbi Leopold Rosenak's work as a field chaplain during World War I in Kaunas (Kowno) in Lithuania. It contains manuscripts by Rosenak including a report on his work as field chaplain in 1915, private and official correspondence (letters, cables) with individuals and institutions such as "Ausschuss fuer fahrbare Kriegsbuechereien an der Front", Leo Baeck, "Hilfsverein der deutschen Juden", "Kriegsministerium" (Prussian War Office), "Kaiserlich Tuerkisches Generalkonsulat zu Bremen" (Turkish Consulate in Bremen), and Erich Ludendorff. The correspondence documents in particular his activities for the native Jewish population in Lithuania in particular regarding food supplies and education, his service as a field chaplain, and his efforts to support and supply libraries for Prussian soldiers. The series contains, furthermore, various certificates of L. Rosenak, a typescript by L. Hoppe, Protestant field chaplain, titled "Ein Ostermorgen im Grossen Hauptquartier" (typescript, 3 pp.), and flyers in German and Yiddish inviting to services of L. Rosenak in Lida.

Letters of Leo Baeck and his daughter Ruth Berlak to the German physician Rudolf Jaser

The collection focuses primarily on Lucie Benedikt’s efforts to receive restitution and a pension from the Austrian government. Also included are a few personal items.

The collection contains various materials pertaining to Ludwig Tietz, collected by Gustav Horn.