This collection contains documents related to Albert Friedrich Hirsch, his family and the Philanthropin School in Frankfurt am Main, at which Hirsch was headmaster. Prominent topics are emigration and the school's fate under the Nazi regime as well as the attempts of its former pupils and faculty to stay in touch after 1945. The papers in this collection include some original material from the late 19th century through World War I and the "Third Reich" as well as several typescripts from the 1950s and 1960s that are related to a memorial book, which was eventually published in 1964.

The Alfred and Elisabeth Mayer Family largely centers on the emigration from Germany of the extended members of this family as well as documentation of Alfred and Elisabeth Mayer and information on the family's genealogy and individual experiences. The collection includes a large quantity of family correspondence; family trees; articles; official, military, and educational documents; some financial and legal documentation and correspondence; and photographs.

This collection contains documents, photographs, and manuscripts by and about Anne Lisa (Anneliese) Rotenberg née Erlanger (1925, Ichenhausen, Germany - 2013, New York) and her family.

This collection contains the records of the Society for the History of Czechoslovak Jews, an organization founded in 1961, in New York City, by members of the Joseph Popper unit of B’nai B’rith, to foster and disseminate knowledge about the history and culture of Jews in the Czech and Slovak lands. Along with the Joseph Popper unit and, later, the Holocaust Survivors of Slovakia, the society sponsored an annual memorial service held in New York City to honor Czechoslovak Jews who perished in the Holocaust. A majority of the records are from the tenure of Rabbi Norman Patz as president (1994-2008). The materials primarily comprise correspondence, and items related to the annual memorial service, including texts of addresses, and yizkor memorial booklets. Also included are meeting minutes, letters to the membership, financial reports, writings, speeches, obituaries, clippings, photographs, and printed ephemera. The society's correspondence reflects its participation in cultural events related to Czech and Slovak Jewish history, as well as its relationship to the Jewish communities in the Czech Republic and, to a lesser extent, Slovakia; some correspondence with members contains genealogical information.

The Babette B. Buch Collection documents the life, philosophies, and literary career of the writer Babette B. Buch. Included in this collection are numerous unpublished manuscripts, some personal correspondence, and a small amount of clippings and photographs.

This collection consists of letters to Betty and Morris (Moritz) Moser and their daughter Lore in New York from friends and family in Germany. The primary topic is the search for emigration opportunities.

The Carol Davidson Baird Papers contain documentation of her family history. The collection includes copies of photographs, certificates and letters of various family members since 1862. It also contains genealogical charts reaching back to the 15th century.

The collection includes the correspondence 1937-1946 between members of the Westheim family, who lived in Amsterdam, and their two sons, Alfred and Benno Bodo Westheim, who lived in New York City.

Folder 1 contains the Questionnaire of the Austrian Heritage Collection at the Leo Baeck Institute and additional biographical documents. Vital documents include birth certificates, residency permits, military documents, and other related documents stemming from the war years in Cernauti / Czernowitz. There are also documents relating to his attempts to emigrate from Romania, an honorary diploma, correspondence relating to emigration and exhibitions, his parents' death certificates and other post-World War II Romanian and American identification documents.

The Elisabeth Lunau Collection documents Elisabeth Lunau’s personal life and her research on her father, Ludwig Marum, a Minister in the Weimer Republic and a prominent figure in the Socialist movement; the collection also documents Elisabeth Lunau’s research on her family’s genealogy. The collection consists of correspondence, vital-, immigration-, and financial documents, photographs, lists, genealogical tables, manuscripts, notes, and printed materials.

This correspondence consists of letters sent to Else Herz in New York from her parents, relatives, and friends in Germany between 1937 and 1941.

Various manuscripts by Erich Drucker from the Erich Drucker Collection and the LBI Memoirs Collection

The Erich Jacobs collection contains documents and correspondence, as well as genealogical tables of both the Jacobs and Neumann families. There are several documents regarding emigration attempts, as well as receipts, passport and naturalization forms, registrations to various organizations, and certificates. Much of the collection includes facsimiles of the original records with translations attached.

This collection holds personal and official documents, correspondence, genealogical information, biographical manuscripts and photographs related to the Feith, Lyon and Katz families. Most of the documents pertain to Erna Bonette, Fred Gustav and their son Henry Arthur Katz. The collection focuses on their lives in Germany and the United States as well as their emigration via Luxemburg and Portugal. It also holds materials pertaining to members of the extended Katz and Lyon families and their ancestors, including the Feith family. Also included is material about a Mikveh from the 15th century in Siegburg, Germany.

The Erna Katzenell collection consists of documents about Katzenell's life in hiding during the Second World War and her ultimate rescue. Amongst others, it includes documents about her rescuers, clippings, correspondence, photographs, and transcripts of interviews.

This collection documents the family of Eugen Rosenberg and Frida Giglio Saenger Rosenberg née Magnus, in particular two of their sons, actor Hans-Karl Rosenberg (stage name Hans-Karl Magnus) and electrician Herbert Rosenberg. It includes a large amount of correspondence between Frida, Hans-Karl, and Herbert Rosenberg during World War Two.

This collection documents the history of the Weiss family with a focus on Gerald Weiss’ parents Jacob and Selma Weiss née Falk and their siblings. Jacob (alternatively Köbes) Weiss (1883-1965) was born the second of nine children to the cattle dealer Albert Weiss and his wife Mathilde Amalie née Michel. As a young man, he lived in Cologne and started a bed linen manufacturing business, S & J Weiss, with his brother Siegmund. As the situation for Jews in Germany worsened in the 1930s, he and Siegmund smuggled money from the business to banks in Holland to aid in the Weiss family’s emigration. Jacob Weiss emigrated with his wife and children in 1939 and settled in New York. This collection contains family trees, family correspondence, translations of family correspondence, vital records, immigration and naturalization records, correspondence and legal documents concerning restitution claims, correspondence and legal documents concerning the estate of Hermann and Carolina Michel née Frank, and correspondence and photographs concerning family gravesites and the restoration of a Jewish cemetery.

The collection documents the family of Gertrude Kaplan. It includes vital, educational, and employment records related to her father, typesetter Raphael Haber (1889-? ), and mother, Dora née Seidler (1896- ?). Both were from the Bukovina province of the Austro-Hungarian empire and perished in the Holocaust. Gertrude Kaplan and her brother Manfred escaped to New York in 1939, and materials relating to the immigration are also found here, as are a few photographs.

This collection documents the life and accomplishments of the Goldmark family, whose most famous members were the two composers Carl Goldmark (1830-1915), who embraced Viennese musical life with colleagues such as Brahms, Liszt, Wagner and Rubinstein, and his nephew Rubin Goldmark (1872-1936), who has been honored for his services to American music, as a prolific composer, and composition department chair at (amongst others) the newly created Juilliard School of Music. The collection contains a large amount of correspondence, but also includes newspaper clippings, musical journal articles, concert programmes and notes, a libretto, a citizenship certificate, obituaries, eulogies and photographs.

The Gustav Beck Collection includes materials documenting Gustav Beck's genealogical efforts, personal correspondence, documents, memoirs, and a large amount of photo albums.

The Heidecker and Schmitt Family Collection largely documents the emigration experiences of members of the Heidecker, Schmitt, and related families, especially of Ludolf and Ruth (née Schmitt) Heidecker. The failure of some family members in leaving Germany is portrayed in these papers as well. Other subjects include the families' histories, restitution for their losses in the Holocaust, and the postwar interests of Ludolf and Ruth Heidecker, among other subjects. The collection includes extensive correspondence and photographs, material relating to Ludolf Heidecker's role in soccer associations, cookbooks and recipes, family trees, newspaper clippings, official documents, and other personal papers.

The Helen and Eva Hesse Collection holds material on the Hesse family of Hamburg. Most notable in this collection are the diaries of Helen and Eva Hesse, created by Wilhelm Hesse, which document the sisters' childhood. In addition, the collection includes scrapbooks and photograph albums, some of Wilhelm Hesse's educational papers, and correspondence related to immigration.

The collection holds diaries, memoirs, reports, letters and papers pertaining to five generations of the Hellmann-Kirchberger family. A prominent topic is the life of the family in the Lahn area in Rhineland in the 18th and 19th century. Additional topics are the emigration from Nazi Germany and immigration to the United States. Letters and diaries that are included in the collection draw an intense picture of the distinct impacts of historical and social events from the 18th until the beginning of the 21st century.

The Herbert Strauss Collection documents the life and professional activities of Herbert Strauss, writer, historian, and teacher. The collection includes correspondence, court procedures, documents, lists, manuscripts and lectures, notes, photographs, printed materials, and a small amount of teaching materials. Materials constituting the collection reflect various aspects of Herbert Strauss’ personal life, teaching, research and writings in the fields of German-Jewish history and relations, Anti-Semitism, and assimilation. The collection includes both, personal and professional materials related to Herbert Strauss, with personal being by far the smaller.

The Herta and Egon Wells Family Collection centers on the emigration of Herta (née Guttmann) and Egon Wells from Vienna to New York by way of Trinidad, with further documentation on their lives prior to and following emigration. Documents relating to the emigration experiences and attempts of other family members are also present. About half the collection consists of personal correspondence, but it additionally includes official documents, immigration and citizenship documentation, educational and professional documents, memorabilia, legal correspondence, a few family photographs, and newspaper clippings.

The Hochheimer Family Collection contains documents and letters relating to the Hochheimer, Heilbronn, Schoenthal, David, Rothenberg, Neuburg, and Kaunitz families, primarily dating from the late 1930s and early 1940s. The majority consists of the correspondence of Alice and Arthur Hochheimer with family members in Germany during World War Two.

This collection documents the life of Isaac Zelig Zieman (1920-2007). Born into an Orthodox family in Riga, Zieman managed to escape Latvia in 1941 and spent much of the war in the Soviet Union. In Germany from 1945-1956, he worked with displaced persons and studied psychology, after which he emigrated to the United States. In New York City, he dedicated the remainder of his life to facilitating dialogue between groups with historical enmities. The bulk of the material relates to this work, from the 1970s-2000s, as a lecturer and group therapist focused on peace and understanding between groups such as Germans and Americans, blacks and whites, and Israelis and Palestinians. The collection also includes materials from Zieman's immediate post-war experience in Germany working with displaced persons and as a student in Munich.

The John L. Englander Family Collection describes the life of John L. Englander's mother and her family members. From 1937 to 1943 they corresponded between America, where John’s sister Elisabeth lived, and Augsburg. The letters describe their growing desperation and the need to send the children (Elisabeth and Hans, Elisabeth's twin sister stayed in Germany) out of Germany. The correspondence is the largest part of the collection. It furthermore contains poetry books and some photographs.

This collection documents the life and work of Kurt Schwerin. Kurt Schwerin immigrated to the United States in 1938 where he became a librarian and professor of law. Contained are several of his writings, research notes and other papers mainly related to his attempts to organize the immigration of his family, to settle down in the United States and regarding to his function as board member and head of the Chicago Chapter of the Leo Baeck Institute.

The Lila and Leo Marx Collection contains the papers of this couple, with documentation about their early lives in Germany and the effects on their lives by Nazi persecution, their subsequent emigration, and the fates of their family members. Much of the collection focuses on their restitution claims and financial situation. The collection consists of a large amount of restitution correspondence; family correspondence; official, educational, and employment documents; a chronology and narrative of the lives of Lila and Leo Marx and their families; and a few photographic postcards.