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.

This collection holds the papers of the historian and author Helmut Hirsch, which focus primarily on his professional activities and connections as well as some material pertaining to his immigration experiences. Prominent in this collection is his extensive professional correspondence. Other materials included here are some personal correspondence, unpublished manuscripts, notes and research material.

The bulk of this collection consists of correspondence to Hendricks & Brothers, 1833[?]-1851. Also included are business cards from various Hendricks-Tobias family enterprises, correspondence to Harmon Hendricks, and correspondence to several members of the Tobias family.

This collection holds documents, correspondence and some visual material related to Henry (Heinrich Otto) Berolzheimer and his family. Prominent issues are the real estate business and genealogy. The papers in this collection form a heterogeneous corpus of official and legal papers as well as personal and genealogical correspondence.

This collection documents the professional and personal life of Henry M. Rosenthal from 1925 to 1989. His tenure as religious director of the 92nd Street Young Men's Hebrew Association and membership of the faculty at Hunter College are well documented through correspondence and supporting materials. Rosenthal’s Philosophical career and published writings make up the bulk of the collection, which includes manuscripts, drafts, and bound copies of his work. Unpublished manuscripts are of particular interest, as are the early drafts of his posthumously published "The Consolations of Philosophy: Hobbes's Secret; Spinoza's Way". Personal journals and early letters between Rosenthal and his wife, the former Rachel Chernowitz, complete the collection.

This collection contains personal papers of writer Henry Roth. It is comprised of extensive correspondence, journals and notebooks of his writing; and published and unpublished manuscripts of his work. There are also papers concerning Roth's interests in Israel, Judaism, and Leftist politics, publications by and about him, and volumes of his works. In addition, the papers also include a postcard and art print collection, photographs, biographical material, and a list of monographs once housed in Roth’s personal library.

The collection documents the work of Henry Besso and reflects various aspects of his professional life, personal research and writings in the field of Sephardic culture, Spanish language and linguistics, and Sephardic and Spanish history. Collection also documents Besso's involvement with Sephardic organizations and communities. Collection includes audio materials, brochures, booklets, clippings, conference procedures, correspondence, government publications, minutes, notes, photographs, printed matter, reports, speeches, and writings and translations by Henry Besso and others.

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 contains a substantial amount of documents and correspondence pertaining to the emigration of members the Günzburger family of Lörrach, Baden, first to Switzerland in 1939 and then to the United States in 1941.

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.

This collection contains the papers of the journalist, author, translator, and diplomat Herman Bernstein. It documents his work on behalf of Eastern European and Russian Jews and holds correspondence, memos, writings and translations by Herman Bernstein, writings by others, contracts, clippings, printed matter, and photographs.

The Hermann Baerwald Papers holds documenation of and about the educator and historian Hermann Baerwald. Included in the collection are a number of articles about and by him, correspondence, notes, and a few photographs.

'Schulnachricht' concerning Herta Deutsch (maiden name) issued by Allgemeine Volksschule f. Maedchen, Wolfgang Schmaelzlgasse 15, 1020 Vienna, on July 15th 1922; school certificate issued by Oeffentliches Reform-Realgymnasium f. Maedchen, 1020 Vienna, in July 5th 1924; 'Belegschein' concerning studies in Allgemeine Musikgeschichte (Prof. Lach) at the University of Vienna issued in Oct. 16th 1931

Questionnaire II of the Austrian Heritage Collection (2 copies) at the Leo Baeck Institute; unused business envelope of Dr. jur. Josef Deutsch (lawyer); confirmation of the Amercain embassy about arrival of documents (1933); leaflet of the children's nursery run by Hertha Deutsch in Vienna

The Herz-Aschaffenburg Family Collection holds the personal and professional papers of members of the Herz and Aschaffenburg families, as well as related families. Most prominent among the individuals featured here are John (Hans) Herz and Gustav Aschaffenburg. In addition to the papers of family members, this collection holds material on genealogy and the family history. Included in this collection are family correspondence along with a smaller amount of professional correspondence, professional and official papers, family trees and related correspondence, published and unpublished writings, World War I diaries, and a few clippings.

The collection contains documentation of four generations of the Herzberg family of Berlin, including Moses Herzberg, Joseph Herzberg (1799-1871), Philipp Herzberg (1846-1916), and Bruno Herzberg (1887- ).

Collection primarily features key figures of HICEM and HIAS's respective staffs: Isaac Asofsky (Executive Director of HIAS), Max Gottschalk (President of HICEM), Ilja Dijour (Executive Secretary of HICEM), Louis Spiegler (HICEM Counsel), Solomon Dingol (HIAS Director of Public Relations), and others.

This collection contains records of the HIAS-ICA Emigration Association HICEM, an organization that supported the emigration of European Jews. It was created in 1927 by the Hebrew Immigrant Aid Society (HIAS), the Jewish Colonization Association (ICA), and Emig-Direkt. Materials include minutes, correspondence, administrative records, and reports on the situation of Jews in various parts of Europe.

The collection focuses on the private and professional lives of the attorneys Hilde Neumann (née Rosenfeld) and her first husband, the political scientist Otto Kirchheimer. It contains personal and official correspondence, articles, restitution claims, clippings (information artifacts), official documents from Germany, and immigration records from the United States.

This collection mainly consists of documents pertaining to the genealogy research of Josef Hadar, as well as personal documents of his parents Elsa Graetz and Ludwig Hirschbruch.

This collection contains the institutional records of the Houston Action for Soviet Jewry, mainly news clippings, correspondence, files about refuseniks, and various materials and programs for events which Houston Action for Soviet Jewry sponsored or was involved with. There are also some materials from other organizations set up to aid Soviet Jewry, including the Bay Area Council for Soviet Jews, the Chicago Action for Soviet Jewry and the Union of Councils for Soviet Jews. Many of these materials concern the situation of Jews in the Soviet Union in the 1970s and 1980s, as well as in the 1990s, soon after the end of the Soviet Union.

The Howard Lenhoff Papers were generated and accumulated by Howard Lenhoff starting with his involvement with the American Association for Ethiopian Jews (AAEJ) in 1974 and running up until his final preparations for his book, Black Jews, Jews and Other Heroes: How Grassroots Activism Led to the Rescue of the Ethiopian Jews (2007). In addition to chronicling Lenhoff’s participation in AAEJ, the collection documents AAEJ’s relationships with other activists and organizations; Israeli government officials’ responses to AAEJ pressure; requests for help and stories of trauma from the Ethiopian Jews; AAEJ’s extensive publicity efforts; and American Jewish press coverage of the struggles of Ethiopian Jewry. The materials include correspondence, clippings, notes, drafts, photographs, audiocassettes and posters.

This collection holds the papers of the lawyer and librarian Hugo Knoepfmacher. The main subject of the collection is his personal and professional life, although material concerning other members of the family is also present. The collection consists of official documents, notes, correspondence, manuscripts, some clippings, and a very small amount of published material.

This collection focuses on the professional work of art dealer and Plato scholar Hugo Perls. Among the documents assembled here are an extensive amount of manuscripts, notes on his writing, some correspondence, clippings, photographs and a few manuscripts of the writing of his second wife, Eugénie Söderberg.

This collection primarily contains materials relating to Hugo Sinzheimer's professional activity as a labor lawyer and professor. It includes published writings, drafts of his 1938 book Jüdische Klassiker der Deutschen Rechtswissenschaft (Jewish Classics in German Jurisprudence), legal work files and correspondence, as well as some educational material. Some biographical information on Hugo Sinzheimer is also present, as well as a few personal items, including an illustrated biographical poem. Some writings and other papers of Ludwig Sinzheimer are included.

The collection holds correspondence showing mostly the personal lives of the Arnhold family from Dresden throughout the first half of the 20th century. The letters discuss family affairs like the engagement of Ilse Arnhold in 1913 and the birth of her children, travels through Europe, and longer stays abroad as well as the everyday lives of the family members.