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.

The Evelyn Benson Collection consists of documents on six German Jewish nurses that were compiled for Benson's research on the history of Jewish women in nursing. Documents include correspondence, photographs, manuscripts, photocopies of official documents, and clippings.

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.

The collection contains materials pertaining to Fraenkel – Neugarten Family.

The Hadassah Medical Organization Records in the Hadassah Archives document Hadassah's work in providing health care resources in Palestine/Israel since 1918. The activities documented revolve around the development of the Hadassah Hospital; health centers; dental centers; occupational and rehabilitative services; medical, nursing, dental, and pharmacy schools; as well as numerous educative and preventive projects, especially those aimed at infant care. The documents also reflect the history of the Yishuv (Jewish settlement in Palestine) and the establishment of the State of Israel. The record group contains articles, clippings, correspondence, financial records, fundraising material, minutes, personal accounts, press releases, publicity material, reports, and statistical reports.

Financial, business, and personal papers of the Eltzbacher family and related families, including correspondence, architectural plans, financial ledgers, wills and testaments, clippings, and eulogies; of particular interest is the business correspondence of Count Aloys zu Kaunitz-Rietberg with the banker Jacob Loeb Eltzbacher (1758-1825), who was based in Neuenkirchen, Westphalia, along with supporting documents and records; material on the career of the lawyer Carl Eltzbacher (1854-1936), including clippings on his candidacy to the Cologne city council in 1903 and correspondence, including a letter from Konrad Adenauer.

Isidore Meyer was an editor (1940-1968), librarian (1940-1962) and archivist (1940-1968) at the American Jewish Historical Society and a rabbi at the Jewish Center of Bay Shore, Long Island (1937-1943). Also a historian, Meyer wrote and spoke on the use, study and impact of Hebrew language and texts during the colonial period in the United States. The collection documents his AJHS career, historical writing and research, rabbinical work, teaching experience and general professional activities. Materials include correspondence, manuscripts, notes, photostats, clippings, printed materials, photographs, slides and negatives.

Transcribed excerpts from Bad Kissingen city council meeting minutes pertinent to Jewish affairs (for the years 1666-1885) prepared by K. Fuchs in 1948-1949, as well as varia relevant to the community, especially the sanatorium and the children's home (Kinderheilstätte).

The collection holds mainly published materials and some original documents pertaining to Lucius Littauer and his family’s endowment for hospitals and study centers in the U.S.A. and in Breslau, Germany. Also included are two documents pertaining to the Littauer relative, Paul Schreyer.

The collection documents the National Jewish Welfare Board's (JWB) evolution from an organization founded in 1917 to provide support for soldiers in times of war to an agency involved in all aspects of Jewish life both in the United States and abroad. In 1990 JWB recreated itself as the Jewish Community Centers Association of North America.

This collection contains the papers of William and Charlotte Engel Levison and their family members. It largely documents the professional work of William Levison, the personal correspondence and interests of Charlotte Engel Levison, and the family history of both the Levison and Engel families, including papers of family ancestors. Among the papers of this collection are official papers, correspondence, poetry books, diaries, memoir material, military and professional papers, notes, and clippings.