This collection focuses on the work and lives of author Johannes and poet Gertrude Urzidil. It contains drafts of published works, correspondence, clippings, personal documents, financial and legal documents, objects, photographs, and audio cassette tapes.

The John and Thea Hochstadter Collection consists mainly of personal correspondence between the members of the Hochstadter family, correspondence regarding their efforts to collect restitution and a small amount of documents and photographs.

This collection documents the professional and personal lives of John (Hans) and Trude Schiff, with emphasis on John Schiff's career as a professional photographer. Although the greater part of the collection focuses on his photography, the collection additionally holds papers pertaining to the Schiffs' immigration, legal and financial papers pertaining to restitution from Germany, documentation of Trude Schiff's early medical career, and personal correspondence and photographs. Aside from the preponderance of photographs, the collection holds letters, address books, exhibit catalogs, and official documents, and a few clippings.

The John Kallir Collection contains documents regarding the life of John Kallir, his father Otto Kallir, their ancestors, and genealogical material.

This collection holds papers of members of the extended Stern family, with the bulk of the collection centering on the businessmen James and John (Hans Ulrich) Stern. It is largely comprised of personal papers and correspondence, but also contains business and legal documents, postcards, poetry, and photographs of members of the Stern and related families.

The Joseph Hirsch Collection contains papers of the Hirsch family and other related families and documents gathered during genealogical research. There is correspondence concerning his research, as well as family trees and information about Schaffa, the town where Joseph Hirsch's fathers' family came from.

The Joseph Shubow Collection documents the life and professional activities of Joseph Shubow, military Chaplain, leader of the Congregation B’nai Moshe, Boston, MA and a prominent American Zionist leader. The collection includes correspondence, documents, lists, writings, speeches and sermons notes, photographs, and printed materials. Materials constituting the collection reflect various aspects of Joseph Shubow’s personal and professional life, religious leadership and writings in the fields of Judaism and Jewish history.

This collection contains the family correspondence and papers of the engineer Julian Spiegel. About half the collection consists of copies of the family's letters to Julian and Kaethe Spiegel. In addition the collection includes copies of legal and official correspondence, official documents, family trees, educational and professional papers and various other personal papers.

The Julius and Elisabeth Hirsch Collection holds the papers of this couple, with much of the collection consisting of family correspondence. Prominent subjects include the immigration of family members and genealogy of the family. In addition to extensive correspondence and family trees the collection includes notebooks, essays and articles, newspaper clippings, photographs, early drafts of Julius Hirsch's family memoir, and research notes.

This collection holds the papers of the Berlin rabbi Julius Galliner. Many of the papers center on the activities of the Berlin Jewish Community and its members. The largest area of the collection is comprised of Julius Galliner's writings, including many of his sermons, but there is also a small amount of correspondence, educational and identification documents, and professional papers.

This collection encompasses papers of members of the extended Rindskopf family, including Lori Berliner. Documentation of the family history, significant events such as marriages and deaths, and their interrelation through correspondence is present. The collection holds official documents, correspondence, genealogical material and celebratory poems, among other material.

The Kafka-Goldschmied Family Collection includes theater programs and clippings of opera productions, starring the Viennese opera singer Frieda Kafka Bauer. Also included here is correspondence from Joseph and Maria Jung to their aunt, Eugenie Goldschmied, née Kafka, poems by Fred Bloch, and thank you letters and invitations.

The collection traces the history of the Kaiser family and the lives of its members over the course of the 20th century through correspondence, documents, writings, family history information, and photographs.

This collection documents the life and work of the law librarian Kate Wallach. Contained in this collection are papers relating to her personal life, mainly her correspondence between her and her parents and her brother when she was already in the United States, as well as official documents and professional correspondence between her as a law librarian and members of other academic libraries. Kate Wallach was among the first 150 women to practice law in the state of Wisconsin.

The Katzenstein Family Collection holds the papers and correspondence of Martin Katzenstein and Anna Charlotte Katzenstein. The collection contains genealogical materials, personal letters, and official papers relating to Anna's time spent living in England and Chile.

The Kern-Martin Family Collection contains extensive family correspondence and documentation of members of the related Kern-Martin, Kern, Temple, and other families. Correspondence with friends, colleagues, and more distant relatives is included. Other family members' papers include many family photographs, education documents, writings and diaries, official documents, obituaries, and other papers.

The Kirby Kantor Fuchs Collection consists of the papers of Fred and Lisa Kirby and their family members in the Kantor, Fuchs, Mahrer, and Schüssler families. Most of the collection consists of the official documents of the family members, along with restitution correspondence, and details the family members' early lives in Europe and their later emigrations to England and the United States. The collection includes many official documents, restitution correspondence, family photographs, educational and professional papers, some genealogical research, and other papers.

The Kornstein-Rosenthal Collection documents the most notable events in the lives of members of the Kornstein and related families, especially of Adolf and Suse Kornstein. Prominent in this collection is the comprehensive family correspondence, providing a view of the daily events of family members for nearly two decades. In addition, the collection contains a detailed narrative based on these letters. Other material includes educational and official papers, some compositions of family members, family trees and other genealogical information and photographs.

The collection provides information about the Kress-Heinemann family. It includes school report cards of Eva Heinemann and Walter Kreslawsky, recipes, genealogical research results and a portrait of Walter Heinemann.

The collection consists of documents, photographs, clippings, ephemera pertaining to three generations of the Kroner family from Berlin, Germany.

The collection contains materials relating to Kurt Goldsmith, a New York-based photographer, and his wife Grete née Lendt. Kurt and his family escaped Nazi Germany to ultimately settle in New York City. The materials trace the journey that they and their family took to seek asylum in the United States. The collection is made up of personal documents, correspondence, photographs, and other archival materials.

The Kurt Roberg Collection focuses on the immigration and wartime experiences of Kurt Roberg and other members of the Roberg and Marx families, in addition to documentation on the genealogy of the families. The collection contains considerable correspondence, official and other documents, photographs and genealogical research.

The collection deals with the lives of members of the Rosenfeld family, most prominently Kurt Rosenfeld. It includes newspaper clippings, official documents, notes, and biographical sources which provide information on the private lives of individual family members, their possessions before the war, and their professional and political careers.

The Landau Family Collection holds documents pertaining to the restitution claims for the estate of Marianne Landau, including their property located at Pariser Platz 6a in Berlin. The correspondence in the collection details the efforts, sought out by the heirs of the Landau family, to receive compensation for a number of assets lost during the Nazi's reign and World War II. Also included are photographs, as well as legal, financial, and genealogical documents relating to specific members of the family.

This collection contains the personal papers of members of the Leiter and Berliner families of Hamburg and Berlin. Some members of these families immigrated to the United States in the late 1930s while others survived World War II in Amsterdam, as forced laborers in Berlin, or in Theresienstadt. Materials include vital documents, official papers, personal correspondence, poems, clippings, official announcements and orders, banking records, restitution materials, and a few photographs.

The Leo Abraham Collection documents the immigration of Leo Abraham to the United States on the eve of World War II. The collection contains mostly personal papers and correspondence to his family who he attempted to get clearance to immigrate as well. After 1945, most of the papers in the collection are related to restitution for his loss of property.

The Leo Glueckselig Collection includes materials pertaining to Leo Glueckselig and other members of the Glueckselig family and consists mostly of personal correspondence, photographs, and documents, whereas other document types such as printed materials, manuscripts, art works, and a cookbook constitute a smaller part of the collection.

This collection documents the personal lives of Leo Rapp (1924-2004), his wife Hildegard Rapp née Kaiser (1921-1997), his aunt Rosa Lang née Rapp, and her husband Julius Lang. There are approximately equal amounts of papers and photographs ranging from the late 19th century through approximately 2005. The papers include vital records, immigration papers, military records, tax records, school grades, correspondence, biographical notes, and family trees. The photographs consist mainly of formal and casual photographs of Leo Rapp, Rosa Lang, and Julius Lang, alongside many family group photographs.

The Leonie and Ernst Steiner collection contains photographs of three generations, official and legal documents and certificates of the time when the family members became American citizens. There is also some correspondence, for example from the young Eva Steiner in London to her father Ernst in the United States.

This collection centers on the restitution claims of Leonie R. Field and her siblings, as well as on payments made to her by the German government. A smaller amount of papers pertains to her immigration, with biographical information also present. The collection includes copious correspondence and financial records along with official documents and a small amount of official and financial correspondence related to immigration.