This collection contains the papers of members of the Siegfried Jacoby family, depicting the family's private lives as well as their literary work. Most prominent among the papers here are many unpublished manuscripts, family correspondence, and Siegfried Jacoby's herbarium. There is also personal correspondence with others, some professional correspondence, official and personal papers, newspaper clippings, and a few notebooks and family photographs.

This collection contains Simon Kaufmann's residency permit for Lichtenau, Baden (1819), a few letters sent from Kaufmann family members in mid-19th century Georgia, and a genealogical chronicle of Simon Kaufmann's family.

This collection contains personal documents of Sonia Marder Better. The materials include correspondence; official documents; transcripts of school records; poems; notes; and photographs. The majority of the materials relate to the correspondence between Sonia and her parents; documents relating to her migration the United Kingdom and USA; as well as pictures that document the life of Sonia Marder Better and her family.

This collection documents Sonia Wachstein's personal life and professional work. It includes personal documents, correspondence, diaries, and photographs concerning her personal affairs as well as her education and professional life as a social worker.

The Stanton Family Collection contains documents, correspondence, and photographs representing several centuries of Henry Stanton’s German-Jewish ancestors from the Sobernheim, Hinrichsen, Bütow, Bendix, Reiche, Abraham, Goldschmidt, Bleichröder, and Mond families. Family histories by Stanton based upon these materials are also included.

The collection consists mainly of correspondence from the famous Austrian writer Stefan Zweig with various friends and acquaintances, acquired by the Leo Back Institute in New York through donations and auctions. Also included are copies and a few printed materials.

The Steiner Family Collection tells the story of the physician Hans Steiner (né Levi), his wife Brigitte (née Marquard), their children Nicholas and Ursula, and related family members. Most prominent in this collection are the family members' memoirs. The collection also holds family documents, including educational and official documents, family correspondence, family photographs, and some family trees.

The Susanne B. Hirt Collection deals with the life and significant events of the physical therapy professor Susanne Hirt and her family members. Prominent topics in this collection include Susanne Hirt's professional development and family members' immigration and wartime experiences. The collection contains a considerable number of photographs, photo albums, and slides. In addition, it consists of correspondence, official papers, manuscripts, notes and research material, educational certificates, clippings, scrapbooks, and a few videocassettes.

This collection contains the papers of Susanne (Susi) Friedmann-Kirsch (1926-), documenting her family’s history in Austria, Eastern Europe, and Israel, from the mid 1800s to the 2000s. The collection mostly holds vital documents and genealogical materials, including family trees, photographs, correspondence, family narratives, diaries, and other writings.

The Sussmann-Hirsch Family Collection sketches the history of the Hirsch family from 1859 until 1980. The collection centers on the correspondence and memories of Sigmund and Rosa Hirsch, Herbert Hirsch and Lilli Sussmann. Most of the documents date from the First World War.

The Suzanne Schrag Collection holds papers of Suzanne (née Fuchs) and Paul Schrag, as well as papers of family members, especially Suzanne's parents and Paul's maternal uncle Nathan Sulzberger. Much of the collection focuses on the lives of family members, especially as documented in their extensive family correspondence. Prominent is also the unpublished writing of Paul Schrag and Nathan Sulzberger, notably the memoirs of Paul Schrag and short stories of Nathan Sulzberger. Some official documents, especially those pertaining to the education of Paul and Suzanne Schrag are also present, along with a few photographs, notes on genealogy, and other papers.

Correspondence, manuscripts,documents and photographs of Kurt Rosenberg and Margarethe Rosenberg, née Levinson.

The Toni Stolper and Gustav Stolper Collection attests to the Stolpers' rich political and intellectual work in Germany and the United States. The materials provide an intimate account of Toni Stolper's life and career. In many respects, they complement the papers of her husband Gustav Stolper, which are located at the Bundesarchiv in Koblenz, Germany.

This collection contains writings by novelist Ulrich Alexander Boschwitz (1915–1942) as well as a few personal materials and documents about his estate and legacy.

The collection consists of materials documenting the lives of the Friedemann and Friedheim families. Included in the collection are family and professional correspondence, documents, musical scores by Walter Friedemann, poetry by various family members, a last will, and printed materials

This collection documents the history of the Harold (formerly Isaac) family. The collection focuses mainly on the brothers Walter and John Harold (born Walter Isaac and Hans Harald Isaac, respectively) and their family history going back to their earliest known ancestor, Herz Isaac of Hesse, Germany. Materials include vital documents, a family history narrative, photographs, passports, correspondence, notebooks, immigration papers, inheritance papers, and a few clippings.

Unpublished manuscripts on the genealogy of the various ancestors of Walter S. Hertzmann.

This collection contains published and manuscript music, mostly Lieder, by composer Walther Hirschberg (1889-1960).

The collection holds correspondence and manuscripts pertaining to the extended Weil family. The bulk of the correspondence comes from Berthold and Selma Weil in Frankfurt and in England to their children in Palestine/Israel and in the USA. Also included are letters from Rickchen Rosenthal née Marx (Selma Weil’s mother) from Frankfurt and Theresienstadt.

This collection contains material pertaining to the sociologist Werner Cahnman and his wife, the biophysicist Gisella Levi Cahnman. It primarily documents the early years and immigration of Werner Cahnman, as well as his and his wife's careers in the United States. It also illustrates the immigration of family members. Papers in this collection include a large amount of photographs, correspondence, diaries, some writings, official papers, and restitution files.

This family collection primarily focuses on the immigration of Werner and Vera Gamby from Hamburg to New York. In addition, it documents the immigration of Vera Gamby's parents and the attempted immigration and later deportation of Werner's mother, aunt, and other family members. The collection also contains documentation and research on family genealogy and photographs of family members. The collection includes correspondence, photographs and photo albums, official documents, family trees, and unpublished manuscripts by family members.

This collection contains materials about Werner Erwin Stark (1921-1995), who during World War Two was one of the "Ritchie Boys" (a group of mostly Jewish German and Austrian men whose language and cultural skills proved valuable to Army intelligence in Europe). It includes vital and identification documents, family trees, snapshots and portraits of women, and a novelistic autobiographical account of Stark's youth and experiences as a counterintelligence agent during World War Two.

The collection mainly comprises material related to Werner Hans Bloch's genealogical studies about his and Elsa Bloch's families. Also included are documents pertaining to Werner Hans and Elsa Bloch's family life, such as correspondence, photographs and official documents.

This collection holds documents relating to the work of history professor Werner Tom Angress, as well as some that provide information on his refugee and wartime experiences. Among the papers of this collection are extensive research material, correspondence and articles by him, students' manuscripts, and papers pertaining to the Gross-Breesen training farm for Jewish emigrants.

The Werner Warmbrunn Collection documents life and professional activities of Werner Warmbrunn and to a smaller extent, members of his immediate family. The collection consists of correspondence, diaries and memoirs, educational documents, printed materials, and unpublished poetry by David Warmbrunn and Werner Warmbrunn.

This collection documents the personal lives of Werner Weinberg’s immediate family and his in-laws, Hans and Rosa Halberstadt, as well Weinberg’s efforts to preserve the memory of the German Jews and the Jews of his hometown Rheda in particular as well as a limited amount of materials documenting his professional activities as a writer.

The collection contains various personal documents of Wilhelm Buchheim and numerous lectures he gave in English and German. Lectures in folder 2 include English language (held in London) "Does Anti-Semitism Affect the Character of the Jews?" and "Education in Germany" . Germany language lectures include "Das Jüdische Kind und seine Umwelt" "Apologetische Fragen im Religionsunterricht" "Die Neuordnung der Lehrerbildung." Folder 3 contains clippings, often on pedagogical topics, with some articles by Buchheim, others by Gustav Krojanker. The Jewish newspapers include "Gemeindeblatt Essen", "Jüdische Schulzeitung" and "Blätter fuer Erziehung und Unterricht."

The William Werner Bloch Collection documents chapters in the life of William Werner Bloch, especially his involvement as an American soldier in World War II, as well as the history of his family and the claim for compensation against Germany after World War II.

The bulk of the collection consists of correspondence relating to his efforts as a committee chairman for tree-planting efforts in Israel. Other materials concern his genealogy and his memoirs.

This collection contains a copy of a privately printed genealogical chronicle of the Windmüller family and of the Jewish community of Beckum, as well as original materials regarding the Windmueller's resettlement from Germany to the United States, including appraisal and sale documents for their factory in Beckum.