The Gundersheimer Siegel Family Collection holds papers of the art historian and professor Hermann S. Gundersheimer as well as papers of members of the Gundersheimer and Siegel families. With a focus on the professional work of Hermann Gundersheimer and the family's emigration, the collection contains correspondence, newspaper clippings, lecture texts and notes, official documents, articles, certificates, genealogical research and family trees.

The Gunther Steinberg Collection contains Steinberg's research and related documentation. Four folders hold family trees, including one folder of Steinberg family trees. The remainder of the collection consists of photocopies and some translations of memoirs, a mohel book, a diary, and family letters. Most prominent among the many families mentioned in this collection are the following: Adler, Dux, Ellrodt, Falk, Hallo, Regensburger, Rowe, Rubensohn, and Steinberg.

This is a constructed collection of items related to the internment and concentration camps in France in operation during World War II. The bulk of the materials relate to the Gurs camp and stem from 1940-1942. Other camps mentioned are St. Cyprien and Vichy. Materials include correspondence, photographs, personal accounts, lists of prisoners, a death certificate, clippings, reports and minutes of relief organizations, poems and songs, and reproductions (photographs, photocopies, and slides) of artwork depicting Gurs.

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

Correspondence comprises the bulk of the collection, both original materials and transcripts. The rest of the collection contains a significant amount of photographic documentation of the 1918/1919 revolution in Munich, as well as two of Landauer's notebooks.

The collection contains various documents pertaining to Gustav Tuch's activity in various Jewish communal organizations.

This collection consists of the papers of the author and teacher Gustav Weinberg, especially his creative works, including drafts of a play along with poetry. In addition, the collection contains some of his personal papers, such as curricula vitae, eulogies, newspaper clippings and official papers.

The collection holds papers of the Mieses and related families, including family correspondence, business documents and photographs. Included are letters of the chess master Jacques Mieses (1865-1954); the private and business correspondence of Adolph Koritzer, a fur trader in Leipzig, and his fiancée, Nanny Herzberg, 1856-1859; engagement letters of Marcus Pflaum and Emilie Hoeter-Hirsch, 1833; and correspondence and manuscripts of the literary historian Friedrich Gundolf (1880-1931).

This collection describes the restitution appeals made by Hanna Kunz and Czeczowiczka family members. In addition, it includes a small amount of personal papers detailing the family history as well as some personal correspondence. Other material includes copies of official documents and application forms and accompanying papers that provide details on the family's properties in Bartošovice and Vienna.

This collection contains papers and some photographs pertaining to Hannah Schiller, her husband Rolf Wartenberg and her parents Rosa Schiller (née Oleynick) and Edwin Schiller. The emphasis of the material lies on Hannah Schiller's university and alumni papers and the couple's work at the Office of War information. The collection also contains various family documents, memorabilia and photos and Hannah's childhood diary documenting the family's emigration. There is correspondence with various organizations and friends mostly from the 1940s and 1950s.

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.

This collection contains the personal papers of Hannah Noether relating to her love of chamber music and her support of young musicians. Included are the files created by Hannah Noether and Lilli Bernstein while organizing chamber music concerts for the Larchmont Chamber Music Circle in Larchmont, NY and other gatherings.

The Hanns Fischer family collection includes correspondence of Hanns and Ellen Fischer in Bolivia with their daughters Marianne and Konstanze in Berkhamsted, England, where they had gone by Kindertransport. Also included are the memoirs of Ellen and Konstanze as well as of Hanns’s brother Rudolph; poems, genealogy tables and some photography. A few letters exchanged between Hanns Fischer and Thomas Mann and Karl Jaspers can be found among other professional and personal correspondence.

This collection contains the extensive research of the historian Hanns Reissner. The most prominent subjects of the collection are the philosopher and jurist Eduard Gans and the Verein für Kultur und Wissenschaft der Juden, although Reissner's research also addresses many other subjects within the field of both German and American Jewish history. Included in the collection are extensive research notes and correspondence concerning his work, his unpublished manuscripts, clippings and offprints.

The Hans and Eleonore Jonas Collection provides documentation of the personal lives of Hans and Eleonore Jonas, better known as Lore Jonas, along with papers relating to the professional work and achievements of the philosopher and scholar Hans Jonas. In addition, the collection contains papers of members of the Jonas and Weiner families. The collection includes correspondence; photographs; articles and unpublished writings, including personal reminiscences and poetry; official documents; notes; sketches; speeches; and family trees.

The collection contains original and copied documents of Blau Weiss activities in Germany.

The Hans David Blum Collection documents his research of the history of his family and consists of correspondence, documents, photographs, manuscripts and notes, genealogical tables and trees, and clippings. Additionally there is a small amount of personal materials as well.

The Hans David Blum Research Collection documents his research on the Jews of Breisach and his ancestors that culminated in a book entitled Juden in Breisach, that was published in 1998. The collection includes Hans David Blums’s research materials such as printed materials, documents (mostly copies), correspondence with archives and individuals, genealogical charts and tables, lists, and a large amount of notes.

Papers of Hans Epstein (1905-1960), educator and historian. The collection consists of documents relating to Epstein's teaching activities during Nazi rule in Germany, and in New York during and after the Second World War; correspondence from before the emigration with individuals and organizations (including with Martin Buber, and Adolf Leschnitzer of the Reichsvertretung der Deutschen Juden); personal and business correspondence relating to immigration in 1938 and Epstein's work in New York; posters and postcards.

This collection contains the papers of Hans Froehlich, a lawyer and later social worker. A dominant topic throughout the collection is the experience of persecution and the death of loved ones, and, connected with that, the lifelong struggle for restitution and compensation. At the same time, his professional life as a social worker as well as his personal interests and hobbies are reflected in the correspondence, printed material and personal writing found in the collection.

The Hans Heller Collection contains papers of the businessman and author John (Hans) Heller, originally from Vienna. The collection focuses on his creative writing, such as novels, poems, plays, essays, and his memoirs, as well as on files related to the Heller Candy companies in Austria, England, and in the United States, including the original company’s finances and property in Austria. The collection also includes personal documents, personal correspondence, some papers of his wife, artist Helen Heller, family photographs, and other materials.

This collection documents the life of the painter Hans Jacoby, who immigrated to the United States via Holland and Shanghai. Documents include family papers, personal writings, correspondence, brochures, official and other administrative documents, newspaper clippings, photographs and autographs.

This collection contains materials from Hans Juda, a journalist with the Handels-Zeitung of the Berliner Tageblatt. It includes educational and other personal documents, clippings and typescripts of Juda's writings, and materials related to a 1932 conference he helped organize, the Weltwirtschaftskonferenz in Berlin.

This collection contains clippings of articles by Hans Martin Schwarz (1917, Hamburg – 2006, New York, better known as Martin Ebon), published between 1934 and 1938 in German-Jewish newspapers on a wide variety of subjects such as sports, emigration, the political situation in Germany, and religious attitudes of the young. It also contains reviews of his books "Einer wie Du und Ich" and "Heiteres, Besinnliches, Nachdenkliches."

This collection contains a wide variety of materials by and about statesman Hans Schäffer (1886-1967) and his family.

The Harry Kranner Fiss Collection documents the life of Harry Kranner Fiss, especially highlighting his life in Vienna, Austria, in the 1930s, as a translator for the American military's prosecution team at the Nuremberg Trials in 1945, and his professional career. A smaller amount of material relates to the Kranner/ Fiss family and to the related Römer, Singer, and other families. The collection contains many manuscripts and drafts of articles, novels, and poetry; diaries; extensive photographs and photograph albums; correspondence; notes; official documents; programs; and other materials.

This collection documents the life and career of Harvey P. Newton, including life during Nazi Germany and the Holocaust. Personal papers include correspondence, family history, school, military, and work-related documents. Papers about Nazi Germany include documents concerning World War II, concentration camps, and war veterans.

Hebrew Orphan Asylum was founded in 1822 as the Hebrew Benevolent Society. It underwent various changes of name until 1906, and merged with The Jewish Child Care Association of New York in 1940. The collection includes extensive administrative records including financial statements, property records, Board, Committee, and Executive minutes, donation books, publications, and state and government correspondence and reports. The collection also includes children's admission and discharge ledgers, medical records, and conduct books. Also within the collection are childcare studies, dedication speeches, writings by alumni, oral histories, newspaper and magazine clippings, and photographs.

This collection documents the possessions of Heddy Kulka and her family members. Many of the materials are photocopies of 1930s and 1940s administrative paperwork from different official agencies in Vienna. All papers document business and property transactions and were the basis for all restitution claims.

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.