This collection portrays the personal and professional life of the violinist Felix Freilich. It also provides information on his wife and the genealogy of their families. The collection contains correspondence, family trees, photographs, clippings, publications and music scores. Subjects found in this collection include the genealogy of the Freilich and Greenberg families, the professional life of Felix Freilich, and the city of Altenburg, Germany.

The collection consists mainly of Felix Hepner's account books in Posen, 1885-1905, as well as records of the peasants' council in the district of Trzebnica in Poland and some manuscripts.

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.

The Felix Pinkus Family Collection documents the professional and personal lives of the dermatologist Felix Pinkus and his son Hermann Pinkus, and of other members of their family to a smaller extent. Prominent subjects include their work in dermatology, their artistic interests, Felix Pinkus's travels, and the family in general. This collection comprises a diverse array of formats. Text-based items include correspondence, unpublished writings, notes and research, newspaper clippings and journal articles, educational and professional certificates and documentation, official documents and various kinds of memorabilia. Visual media include photographs, photograph albums, small sketches, drawings and paintings and various types of scrapbooks.

The collection documents the lives of the Fellman and Taranto families of Long Beach, New York, and Washington, D.C., particularly Rosalind Fellman; her father, Sidney Fellman, who was a dentist and the longtime president of the Yom Tov Hebrew Congregation; her mother, Suzanne Taranto Fellman; her grandparents, Harry and Pauline Fellman and Isaac and Alegra Taranto; and her uncles, Milton Fellman and Maurice Taranto. There is also information about the Yom Tov Hebrew Congregation, with which the Taranto family in particular was closely involved.

Various published and archival materials pertaining to the textile company F.V. (Frank Valentin) Gruenfeld.

The Flora Morstadt Collection documents the life of Flora Morstadt and her family mainly through the years 1938-1944. The bulk of the collection is comprised of letters from Flora Morstadt to her family during World War II. Other materials include documents relating to emigration, post-war identification cards, and Flora Morstadt’s recipe book.

This collection centers on the experiences of Florence Marx Ross during a trip to Belgium, France and Germany from July 1913-November 1914, documented in her frequent correspondence to her family, daily diary entries, and newspaper clippings. In addition, the collection holds a number of postcards, some photographs and publications related to the beginning of World War I in Belgium.

This collection of mainly anti-Semitic material was compiled by a Jewish librarian of German descent who infiltrated the pro-Nazi community developing in New York City in the years leading up to World War II. The bulk of the collection consists of publications and printed matter, with the notable exception of narrative reports that describe first-hand experiences and observations of Nazi-affiliated events. Document types include advertisements, event announcements, books, clippings, correspondence, magazines and newspapers, travel guides, political memorabilia, and other print ephemera.

The collection consists of Jack Cohen and Mosco Tzechoval’s papers relating to their involvement at the Fort Ontario Emergency Refugee Shelter in Oswego, New York, 1944-1946. Materials include correspondence, sermons, minutes, reports, notes, clippings, and photographs.

The collection contains materials pertaining to Fraenkel – Neugarten Family.

The Frances and Gustave Kauders Family Collection holds the papers of this couple, as well as of members of the Kauders family, and correspondence from the Schostal family. Topics found in the collection include the immigration of Frances and Gustave Kauders, some details of their early lives as expressed in family correspondence, and the failed emigration and subsequent deportation of members of the Schostal family. The collection includes family correspondence, official and educational documents, and correspondence with official agencies regarding immigration and restitution with related documentation.

This collection documents the life and significant experiences of Frank M. Sherman. Prominent themes in this collection are his work for the United States military during World War II, his and his family's experiences in Nazi Germany, and his membership in the Deutscher Vortrupp. The collection consists of a large amount of correspondence as well as clippings, audiocassettes, publications, scrapbooks, official papers, notes, and a few photographs of friends or family members.

This collection contains the papers of the lawyer and historian Franz Kobler (1882-1965), with the major focus of the papers here on his historical works. Included here are manuscript drafts, correspondence, official papers, notes, newspaper clippings, and a few photographs.

This collection documents the passionate involvement of Franz Viktor Grünfeld (Frank Victor) in the field of graphology, the study of handwriting as a means of determining personality traits. Grünfeld was active in the field from 1920 until 1965. He published extensively and corresponded with leading graphologists, and also provided handwriting analysis services to companies and individuals. The collection also contains some personal material, as well items concerning his work with his family's textile firm, FV Grünfeld Landeshuter Leinen und Gebildweberei, prior to his immigration to the United States in 1939.

The Fred Cahnmann Family Collection documents portions of the lives of Fred Cahnmann and other Cahnmann family members. In addition it provides genealogical research on the Cahnmann and related families. The collection includes many family trees, correspondence, photographs, official documents, articles and newspaper clippings and research notes.

The collection contains family history research of the extended Fred Einstein family with genealogical tables, findings from genealogy research and correspondence related to this research. Moreover it includes articles and clippings from and by members of the Fred Einstein family and on general German-Jewish history with a focus on Baden-Wuerttemberg.

The Fred Emil Katz Collection holds material on the Katz family of Oberlauringen, Germany. Most notable in this collection are the articles and exhibitions that document what happened to the Jewish families of Oberlauringen during the Holocaust. In addition, the collection includes personal correspondence, photograph albums, and a book.

Personal and professional documents of Fred Grubel relating to his work in the Jewish community in Leipzig and later on in the Leo Baeck Institute.

The Fred Halbers Collection documents the life and work of the actor, artist, and writer Fred Halbers. The main subjects of the collection are his life, his writing and his artwork, although material concerning other members of the family is also present. The collection consists of manuscripts, correspondence, clippings, official documents, notes, some photographs, negatives and slides.

The Frederick Brunner Collection incorporates the research of the banker and LBI board chairman Frederick Brunner. Prominent subjects encompassed in this research include the Rothschild family and the history of Jews in Landau in der Pfalz. Some research on banking history and Jews as bankers may also be found here. The collection contains extensive newspaper clippings, articles, correspondence, notes, genealogical tables and family trees, and a few photographs.

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.

This collection documents the life and work of Frederick (Fritz) Ritter, an actor, writer, and academic. Included are manuscripts of published and unpublished writings, articles, reviews, clippings, notes, personal documents, and photographs.

The bulk of the collection consists of materials pertaining to the Friedlander/Friedlaender families, descendents of the prominent banker and member of the Prussian House of Lords, Dagobert Friedlaender (1826-1904) from Kolmar, Posen (Chodzież, Poland). Also included are correspondence and other materials, documenting the efforts of Frieda Friedlander to assist the work of OSE in France and in the United States after World War II.

This collection holds the papers of the Czech journalist Friedrich Bill. Focusing primarily on his writing, the records include numerous newspaper clippings of his published work. In addition, the collection contains articles on the cities of Brno and Prague and the country of Ecuador. There are also postcards, a small amount of personal correspondence, and a Masonic medal from Prague.

This collection documents the life and scholarly interests of Fritz Bamberger, scholar and former vice-president of the Leo Baeck Institute. Much of the collection focuses on his professional and scholarly activities. It includes many newspaper clippings and articles, official documents, correspondence, a scrapbook, family papers, a few photographs and notes.

Papers in this collection pertain to the academic life and career of theoretical physicist Fritz Reiche in Germany and the United States. Included are a curriculum vitae, memoirs, letters of recommendation, clippings from public documents such as newspaper articles, faculty letters, obituaries, as well as some personal correspondence, a death certificate, a manuscript and a few photographs.

This collection holds the documents of Ismar Frost, his wife Rose Frost (née Wegner) and their family. The collection consists of private correspondence, professional and official correspondence, a large amount of restitution documents, personal documents and family photographs. It also holds Ismar Frost’s and other’s writings – fiction and non-fiction.

The focus of this collection lies on the correspondence between Lily Lösser and her daughters Yutta (Judy) and Gaby (Gabrielle) during their time of separation 1943-1946. The rest of the collection is made up of personal albums, official correspondence, documents and other material.

The Gabrielle Glueckselig Collection centers on the personal and professional lives of Gaby and her husband Fritz Glueckselig. This collection documents many facets of the couple's lives, including their professional work, friendships, and families. A large focus is on the literary work of Fritz Glueckselig, Gaby's hosting of the German-language Stammtisch (originally founded by Oskar Maria Graf and George Harry Asher), and their families, but many other aspects of their lives are also documented here. The bulk of the collection consists of their correspondence, drafts of Fritz Glueckselig's writing, and a large amount of photographs and photo albums. Other documents include official documents of Gaby, Fritz and some family members; sketches including of Gaby's jewelry designs; a few scrapbooks; drafts of other authors' works; and other materials.