The bulk of the collection consists of published materials from the 1980s describing the former Jewish community in Krefeld and its fate during the Holocaust. Also included are genealogical tables of the extended Neuberg family.

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 The collection includes correspondence; photographs; articles and unpublished writings, including personal reminiscences and poetry; official documents; notes; sketches; speeches; and family trees.

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

This collection contains letters addressed to Rabbi Dr. Harold Helmut Frank in Philadelphia, primarily from 1939 to 1941. Most of the letters are from Worms, Germany or from people who used to live there, pleading with Frank for help to obtain immigration papers.

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.

This collection documents the experience of Hedwig Geng née Berg (1891-1981) as a Jewish woman living in Munich during the Nazi regime and her survival of Theresienstadt. Materials include personal correspondence, official correspondence and directives, ephemera from Theresienstadt, identification papers, poems, notes, clippings, and a few photographs.

This collection holds materials relating to the life of Hedwig Strauss, a Jewish woman who perished during the Shoah. Although it is primarily composed of letters and postcards to her son Walter dealing with her life in Germany between 1939 to 1941 and her attempts to escape, it also includes further correspondence with and between family members as well as personal and official documents on Hedwig Strauss and her son Walter.

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.

This collection contains a substantial amount of correspondence written by Heinrich and Toni Busse while in hiding in Berlin 1939-1945, as well as manuscript drafts of Heinrich Busse's anti-war writings, some of his personal papers and official documents.

This collection documents the work of Heinrich Stahl, chairman of the Jewish community in Berlin from 1933-1942. The collection contains eleven photo albums, most of which feature photographs detailing Jewish institutions such as children's homes and old-age homes, as well as an office of the Jüdische Winterhilfe. In addition, the collection contains correspondence, including from Stahl's time as chairman, clippings, and a few reports.

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 Bloch Collection contains the personal papers of the classicist and medievalist Herbert Bloch, a Harvard professor. Prominent is correspondence between himself and his family, which mentions not only family news and the deaths, deportations, and experiences of family members but also references his own research, writing, and teaching. In addition to family correspondence is correspondence with colleagues and friends, former neighbors, and legal and financial correspondence. Other papers in the collection include poetry, educational certificates and diplomas, material relating to Herbert Bloch's academic career, family trees, obituaries, and photographs.

This collection mostly contains Friedmann family correspondence, collected by Herbert Freeman (1925-). The letters cover the period 1904-1951, written by Jews from Germany either in Germany or after their emigration to either Palestine/Israel or to the United States. It also contains photocopies from the National Archives related to Herbert and Henry Friedman's migration to the United States and family trees of the Friedmann family.

The collection mainly consists of Herbert Jonas' and his family members' private correspondence and personal documents. There are also some writings, photographs and a collection of newspaper clippings.

This collection contains the "Letter from Bamberg" newsletter by Herbert Loebl, which chronicles the history and activities regarding Jewish communities in Bamberg and the Franconia region. It also includes genealogical research into the Rosenfelder family of Huettenheim (Marktbreit) / Theilheim (Werneck), and other clippings and material about the Jews of Franconia, Germany.

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.

Correspondence and other materials on the Gildemeester Hilfskommittee including data gathered from potential immigrants.

The Herta and Carl Mayer Collection holds the assorted papers of Herta Mayer (Fuchs/ Fox) and her husband Carl (Karl) Mayer. Included in the collection are scattered documents of the Fuchs family members, Moric, Alice and Richard Fuchs. The collection primarily consists of Herta Mayer’s official documents and correspondence regarding immigration and restitution attempts after 1945. Photographs and family correspondence can be found as well.

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.

Collection of letters sent from Hertha Josias from Germany to her daughters Hannelore and Inge in Sweden; letters from Rosalie Selig.

The Hirschberg-Goldmann Family Addenda holds documentation on the lives and emigration of Harry and Leonor Harter, originally of Breslau. It additionally contains research, conducted by their son, into the history and genealogy of the Hirschberg and Goldmann families and their relations, as well as into the fate of his maternal grandparents, Siegfried and Käthe Goldmann. The collection includes material about the Breslau Jewish community, especially about its Storch synagogue and the Cosel cemetery (Legnica Street cemetery). The collection contains many copies of historical documents, extensive correspondence, photographs and a photo album, copies of articles related to the research of the collection, and some family trees.

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 consists of the personal papers of the Hochherr family of southwestern Germany. Materials include vital records, photographs, a genealogical chart, a family history, official records of family members’ deportations and deaths in extermination camps, an account of life in Nazi-occupied Holland, and an account of an escape to Switzerland. With the exception of the photographs, the collection consists entirely of photocopies.

The Holocaust Collection consists of various donated materials pertaining to the Holocaust assembled into a single research file. Only a couple items date from the historical time period, most items were created decades after the Holocaust.

The following Holocaust memorial sites in Germany are mentioned in this collection:

The bulk of the collection consists of correspondence between Howard and Jenny Hall, exchanged between 1943 and 1944. There is also correspondence documenting their efforts to bring their family members from Germany to the United States between 1939 and 1941. In addition, the collection contains the transcript and the translation of an interview, Howard Hall gave in Germany in 1996.

This collection documents the members of Igersheimer (Iggers) family of Frankfurt, Hamburg, and later Richmond, Virginia, as well as their ancestors and contemporary relatives.

This collection contains personal and official documents pertaining to the family’s immigration to the United States and their situation in Germany as the political climate deteriorated. Included are a large amount of personal letters, supplemented by various other documents from government and military offices, some genealogical and tracing certificates, as well as other various material.