The Annual and Mid-Winter National Conventions Records document the proceedings and outcomes of the conventions and conferences attended by Hadassah’s National Board as well as by convention delegates from the various regions of Hadassah. The conventions in particular are where local and regional leaders meet with each other and the National Board and learn about Hadassah’s various projects and committees. This record group also includes annual reports from 1926-2001.

This collection contains materials collected by David Trotsky relating to the Jewish community of Belgium in the inter-war period. Materials include printed documents, posters, reports, meeting minutes, and newspaper clippings, mainly pertaining to the Jews of Brussels and Antwerp.

This record group includes documents created and maintained by the Office of the President, the Office of the Executive Director and the Chair of the Division Coordinators/Directors Committee. Prominent is the Henrietta Szold series, containing correspondence by and to Szold as well as printed materials written by and about her. The files in this record group were created by a national president or executive director, or for their use, or maintained in their office during their years in office. Included are correspondence, minutes, memos, publications, reports and subject files on topics with which these individuals were involved.

Hadassah Functions and Operations Records represent the bulk of aid and services provided to Hadassah's membership, from the 1920s to 2011. Materials found in the record group include correspondence, clippings, press releases, manuals and kits for chapters and members to implement programming and chapter structure, fundraising campaigns, scripts, study guides, programming for local and national meetings, biographical files, and training documentation. Departments documented in the record group include Public Affairs, Education, Women's Health, American Affairs, Zionist and International Affairs, Speakers Bureau, Fundraising, Program, Organization, Outreach and Tourism Departments. Materials related to the general administration of Hadassah are also in the record group; these materials include research and development of projects, archives department correspondence and other materials, Hadassah House administration, and strategic planning. The record group also documents Hadassah's efforts to expand membership outside of the United States, by the development of Hadassah International.

The records document the Histadruth Ivrit's early history to the present, representing a significant portion of its work in spreading the Hebrew language in the United States in the second half of the twentieth-century. The records include substantial amount of material regarding the organization's history, administration, public events, publications, and reports. Some information of the early history of the Histadruth Ivrit could be found in the records kept by the writer Daniel Persky. Persky collected personal and professional records that include correspondence with friends, readers, and writers; a partial collection of the drafts of his own publications, and a collection of photographs and newspaper clippings. The functions and activities of the Histadruth Ivrit are documented through Board of Trustees and Board meetings agendas and minutes; various programs for events, conventions, conferences, and celebrations; documents related to fundraising; public relations, press releases and brochures; correspondence with different individuals, organizations, and foundations; Histadruth Ivrit's publications among them the newspaper Hadoar and Tov Lichtov; a large collection of photographs, and scrapbooks. The records of the Histadruth Ivrit represent the large majority of the organization's activities dating from the 1980s to the present. Records for the earlier years of activities are fragmented and incomplete. The records related to the life of Daniel Persky are also partial and copies of many of his publications are missing. This collection included brochures, correspondence, financial records, flyers, grant applications, invitations, lists, minutes, news clipping, orders, periodicals, photographs, press releases, reports, and scrapbooks.

The collection consists primarily of correspondence reflecting Calmenson’s involvement in numerous national and local Jewish organizations. The largest quantity of materials is in relation to his work with the United Palestine Appeal (1926-1945, primarily 1926-1929), and the Zionist Organization of America (1919-1952). Among the local St. Paul Jewish organizations, the largest quantity of materials relates to the Emergency Committee for Palestine (1942-1951), and the Zionist Organization of America, St. Paul Chapter (1918-1950). Among his correspondents are Harry S. Truman, H.V. Kaltenborn, and Emanuel Neumann. Among the topics dealt with are the 1929 riots in Palestine, the protest against the Passfield paper, and the establishment of a Jewish army after World War I. The collection also contains materials relating to Calmenson’s private activities, and miscellaneous writings and papers belonging to the Calmenson family.

The collection documents Joseph Löwenherz's activities as the head of Jewish community in Vienna, Austria and his interactions with the Zentralstelle für Jüdische Auswanderung and Gestapo Hauptamt in Vienna. It contains copies of the memos and other reports Joseph Löwenherz had to submit to the Zentralstelle and the Gestapo, which were used as evidence in Adolf Eichmann's trial. Also included are documents and correspondence related to the Eichmann trial as well as correspondence between Löwenherz and his son written between 1939 and 1941 during his travels to several European cities, where he attended meetings concerning the mass repatriation of Jewish citizens out of Europe.

This collection consists mainly of the diaries of Zionist Martin Hauser. Born in Berlin in 1913, Hauser emigrated to Palestine in 1933. He volunteered for the Royal Air Force during World War II and was involved in the liberation of Dachau. In addition to his diaries from 1929-1951, the collection includes speeches, Zionist circulars, and military reports.

This collection contains the personal and professional papers of rabbi, Hebrew scholar, author, and editor Israel Elfenbein. These materials include correspondence with and relating to congregations, Hebrew periodicals, organizations, Elfenbein’s writings, personal correspondence, sermons, clippings, and manuscripts by Elfenbein and by other writers.

This collection contains documents of journalist and left-wing political activist Paul Novick, consisting mainly of correspondence, subject files, manuscripts, photographs, and newspaper clippings. These materials relate to Novick’s career as long-time editor of the Morning Freiheit (Morning Freedom), his important role in the worldwide Communist movement, the history of the Freiheit itself, and Jewish and general politics. These materials demonstrate Novick’s important, and changing, role in the history of Communism, as well as his career as a Yiddish journalist and author.

This record group contains personal papers and special collections documenting individuals, both Hadassah members and non-Hadassah members, who were important to Hadassah. Much of the material forming the collections in this record group came from the administrative files of the national office of Hadassah, though some of the material was donated to Hadassah. Key individuals represented within this record group include Hadassah national board members Anna Tulin Elyachar, Bertha S. Schoolman, and Denise Tourover Ezekiel, as well as Jesse Zel Lurie who served as the first professional editor of Hadassah Magazine (originally Hadassah Newsletter) from 1947 to 1980.

The collection represents the papers of Morris David Waldman (1879-1963), a rabbi, social worker and communal leader, who was appointed executive secretary of one of the main Jewish defense organizations, the American Jewish Committee (AJC), in 1928. The executive secretary had top executive function at the organization and was in charge of working out and implementing the organization’s projects and policies regarding monitoring the civil and human rights of the Jews, and intervening on behalf of the Jews both in the U.S. and abroad. In 1942, Waldman was promoted to executive vice-president, a position he held until his retirement in 1945. The Morris Waldman Files relate to all of Waldman's activities as acting executive secretary and vice-president of the AJC.

This collection contains the records of the Union of Jewish Student Associations in Germany (Yiddish: Farband fun di Yidishe Studentn Fareynen in Daytshland; German: Verband Jüdischer Studentenvereine in Deutschland), an umbrella organization of associations of East European Jewish students who were pursuing their education in cities throughout Germany in the 1920s. Along with the Union's records are the records of two of its affiliate associations, the Jewish Student Association in Berlin and the Jewish Student Association in Jena. The student associations and the umbrella organization that they founded aimed to further Jewish cultural life among members; to provide material assistance to members in need; and to advocate for the interests of members vis-à-vis state and academic authorities. Included are administrative records such as bylaws, minutes, and announcements; materials documenting membership meetings of the Berlin association and conferences of the umbrella organization; petitions and correspondence from members concerning financial aid; materials documenting libraries maintained by the students, and other activities; and general correspondence. Among the correspondents are Jewish charitable and social-welfare organizations that contributed to the support of East European Jewish students through the student associations, including the Yidishe Velt-Hilfs-Konferents (Conférence Universelle Juive de Secours, Paris), the Verband der Russischen Juden, the Hilfsverein der Deutschen Juden, and the Zentralwohlfahrtsstelle der Deutschen Juden, as well as the Jewish Community of Berlin, and Jewish communities in other cities in Germany. The collection also includes a relatively small amount of materials of mixed provenance documenting the activities of other associations and umbrella organizations of East European Jewish students, both in Eastern Europe and the West, the greatest portion related to interwar Poland, especially Vilna.

The Vilna Collection represents fragmentary materials that were part of the original YIVO Archives in Vilna before WWII. The collection includes a wide array of materials dealing with a great variety of aspects of Jewish life in the Pre-revolutionary Russian Empire and post-revolutionary Poland, Ukraine, Lithuania, and Soviet Russia. The Collection consists of personal correspondence, official correspondence with organizations and governmental institutions, financial and statistical reports, minutes of meetings of Jewish communal and political organizations, bibliographic materials, including card catalogues and bibliographies. Also included here are vital documents, such as birth certificates and birth registers, affidavits, certificates, diplomas, and travel documents. Additionally, there are petitions, resolutions, appeals, printed materials, manuscripts, lists, and questionnaires. There is a wealth of materials dealing with Jewish book trade and publishing, youth and sports organizations, education, Jewish communal life, and political activities.

The Youth Aliyah Records in the Hadassah Archives document Hadassah's work with multiple international organizations to rescue Jewish children from continental Europe to Palestine from 1933-1945. The collection also documents Hadassah's involvement with Youth Aliyah since 1946 in providing residential, educational, vocational, rehabilitative and therapeutic care for displaced and at-risk youth from around the world.