The records of the American Jewish Historical Society, the oldest national ethnic historical organization in the United States, include correspondence of officers and staff as well as inter-office memos, multiple versions of the constitution and by-laws of the society, meeting minutes of administrative branches and committees, membership and financial records, reports, exhibit materials, records relating to the society’s library and archival holdings, press releases and newspaper clippings, and publications and newsletters created by the society. There are also materials from various programs, such as meetings and conferences, tours, lectures, awards and dinners, films, and educational programs.

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 AVI CHAI Collection contains a breadth of files relating to the administrative and outreach activities of the organization, from its founding in 1984 through 2019.

The AVI CHAI records stored at the AJHS relate to the foundation's activities in North America. The records relating to the AVI CHAI's activities in Israel are stored at the archives of the National Library of Israel.

The records consist of correspondence, reports, minutes, financial documents, digital files, and printed materials that chronicle AVI CHAI’s administrative communication and outreach programming. The collection consists of physical paper records (see detailed breakdown below), born-digital files (including computer files), as well as audiovisual materials such as audiocassettes, microcassettes and DVDs. There are some 35mm slides, but otherwise very few photographic prints or negatives. Of note in the collection are materials that outline the foundation’s research on, and enthusiastic support of, Jewish day schools, camps, teacher training and libraries.

Administration files include by-laws, incorporation documents, and insurance policies, among others.

Board records are comprised of meeting materials, such as minutes and agendas. They document the philosophy, direction and activities of the organization.

Communications files consist primarily the files of Deena K. Fuchs. They include media kits, graphics, working files for annual reports, and other materials.

Files related to AVI CHAI finances include investment portfolio documentation as well as quarterly and annual reports.

The core of the foundation’s history can be found in its Programs files which document the various programs initiated or supported by AVI CHAI. They include detailed files on the foundation’s loans to schools (including building programs) and to summer camps. Also included in this series are files relating to AVI CHAI communications activities, such as media kits, graphics, working files for annual reports, and other materials.

This record group documents the work of the Hadassah national board through board and executive committee meeting minutes, board member subject files, correspondence and reports, as well as minutes and materials generated by Hadassah ad-hoc and non-Executive committees, from 1912-2012. This record group also includes files from milestone anniversaries of Hadassah and legal documents pertaining to its projects.

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 of the People's Relief Committee for Jewish War Sufferers consist of correspondence with Jewish communities and relief organizations in Europe, Palestine, Cuba, South America, the United States, and Canada; as well as scrapbooks containing U.S. and Canadian Yiddish and English newspaper clippings and printed promotional literature pertaining to the fundraising activities of the People's Relief Committee in North America and abroad.

Jacques Judah Lyons, hazzan, rabbi and community leader, was born in Surinam and emigrated to Philadelphia in the early 1800s. Minister of the New York Congregation Shearith Israel for 38 years, he gathered extensive materials on early Jewish history in the United States, Canada and the West Indies. His papers include manuscripts, newspaper clippings, scrapbooks, notebooks, photographs, and a Sansom ship's log book. Contains material relating to Jews in North and South America generally and more specifically to Congregation Shearith Israel and the Jews in New York, the Touro Synagogue and cemetery and the Jews in Newport, Rhode Island, Philadelphia and the West Indies. Also contains material relating to Jews in the wars of the United States, correspondence of the Jews with George Washington and items relating to Haym Salomon. Collection consists of manuscript material and five notebooks and three scrapbooks of Lyons. Contains material not listed in calendar consisting of sermons by Lyons, a manuscript prayer book used in Surinam and a guide for religious ceremonies at Congregation Shearith Israel, as well as letters written during the Civil War period and correspondence relating to the personal life and career of Lyons.

Contains the memoirs and scrapbooks of Bluestone, concerning his numerous communal activities, especially those in the Zionist movement. A description of the collection was published by Hyman B. Grinstein in Publications of the American Jewish Historical Society, no. 35 (1939), and a detailed inventory was prepared by Harry Bluestone (n.d.).

The Mount Sinai Hospital Records document efforts to establish a Jewish hospital in New York City and the subsequent founding and growth of that hospital, the Jews' Hospital in New York, later renamed Mount Sinai Hospital. The Mount Sinai Hospital became one of the largest teaching hospitals in the United States. Included in the collection are annual reports, clippings, minutes, invitations, pamphlets, programs, publications. Of special note are two folders of compiled memos written by Mount Sinai Hospital staff while serving overseas during World War Two.

Contains records on the formation, mission, vision, and activities of the National Center for the Hebrew Language, as reflected in organizational documents (including minutes), event programs and announcements, publications (including the NCHL newsletter, Ivrit Now), photographs, promotional literature (including press releases), media coverage, and the NCHL website.

The National Committee for Labor Israel (NCLI) was an American fundraising organization closely associated with Israel’s federation of labor and trade unions (Histadrut). NCLI provided financial support for the Histadrut’s educational, health, and social programs in Israel through national and regional solicitation campaigns. Major donors included Labor Zionist organizations, American labor unions, and other Jewish community associations. Financial problems eventually led to the dissolution of NCLI, and the bulk of this collection documents its final decades of operation. A large portion of the records pertain to development projects in Israel during the 1960s -1970s.

This collection contains material relating to Norman Salit's activities with various organizations, including the Synagogue Council of America, the Rabbinical Assembly of America, the Wartime Emergency Commission for Conservative Judaism, the Boy Scouts of America, the Jewish Education Committee, the American Child Guidance Foundation, Religion in American Life, the Valley Forge Foundation, the Jewish Theological Seminary of America, and the National Community Relations Advisory Council. There are also speeches, writings, sermons, items related to Sharit's legal work and Zionist activities, as well as some letters from Mordecai Kaplan.

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 includes an annual report, brochures, photographs, newsclippings, and issues of the resident newsletters Pride Survey and the Judea Journal, and the alumni newsletters The Voice and Rose Nadler Schefer Chapter. Some photographs contain names of those depicted. The collection also contains articles and a publisher's order form for the 1998 release of the book An Orphan Has Many Parents as well as information and newsclippings of a 1933 Rockaway Beach outing that ended in tragedy.

The records chronicle the ideology behind the Reconstructionist movement, the founding and activities of the Jewish Reconstructionist Foundation, and its growth and transformation from an ideology and movement into an established American Jewish denomination, Reconstructionist Judaism. The records also document two seminal figures in Reconstructionist Judaism, Mordecai Menahem Kaplan and Ira Eisenstein. Included in the collection are the administrative records of the Foundation (minutes, financial records, bylaws), publications produced by the Foundation including manuscript submissions for the influential publication The Reconstructionist, correspondence, sermons, prayer books produced by the Foundation, syllabi, sheet music, photographs, and speeches, among other material. In the correspondence are letters from Martin Buber, J. Edgar Hoover, and Albert Schweitzer.

The records of the National Council of Jewish Women, New York Section document the organization's community service, advocacy, and supportive administrative, fundraising, membership, and public relations activities from the Section's early years to the present. Included is a large amount of material from the National Organization in relation to the New York Section. This material is dated from 1896 to 1999 and consists of administrative, events, and advocacy matters. The New York Section's community services files include its work on aging, child care, consumer telephone referrals, counseling support, crime prevention, the disabled, domestic violence, early child education, feminism, homelessness, hunger, immigrants, Israel, Jewish education and promotion, literacy, probation, the sick, summer recreation for children and the elderly, and war relief. The Section's advocacy files consist of lobbying efforts for the rights of children, the disabled, the elderly, families, the homeless, immigrants, Israel, and women. The collection is primarily in English, with some Hebrew, Yiddish, German, Greek, Spanish, Chinese, and Italian. Among the types of material are audio tapes, blueprints, correspondence, minutes, photographs, publications, scrapbooks, and scripts.

The National Jewish Welfare Board Military Chaplaincy Records document the evolution and activities of NJWB’s military chaplaincy agency, which was known as the Commission on Army and Navy Religious Activities (CANRA) from 1942 to 1947, as the Division of Religious Activities (DRA) from 1947 to 1953, and then as the Commission on Jewish Chaplaincy (CJC) after 1953, during the Executive Directorship of Aryeh Lev (1946-1975) and Philip Bernstein (1942-1946). The collection also consists of Aryeh Lev’s records during his service as assistant to the Office of the Chief of Chaplains of the Army (1940-1945), as well as Lev’s personal papers. Most broadly, the collection chronicles the role of Jewish chaplaincy and Jewish participation in the U.S. military effort from WWII to the Vietnam War. Subjects addressed include the establishment of Judaism as one of the major faiths in the U.S. military, patterns of observance among service members, and post-WWII relief work by Jewish chaplains on behalf of displaced persons. Materials include minutes, reports, correspondence, speeches, sermons, autobiographical writings, photographs, questionnaires and printed materials.

The Robert Rifkind Papers document the Jewish philanthropic and lobbying activities of Robert Singer Rifkind. Robert Rifkind was born in New York City in 1936 and became a partner at the law firm of Cravath, Swaine and Moore in 1971. He served on the boards of many Jewish philanthropic and activist organizations, including the American Jewish Committee, the Jewish Theological Seminary and the Schechter Institute for Jewish Studies. The collection includes correspondence, photographs and publications from Rifkind’s involvement in these and other organizations, primarily dating from the 1980s to the 2010s.

The children and descendants of Isaac Mendes and Rachel Levy Seixas included individuals who had a great impact on communal affairs and colonial Jewish life in New York, Philadelphia, Newport, and Richmond. Though this collection does not preserve the total volume of papers produced by every family member, the documents contained herein demonstrate the importance of the family in both Jewish and secular life in late 17th and early 18th century North America.

The collection is valuable to researchers studying the Seixas family; civic, mercantile, and religious contributions of Jews in the colonial era; Jewish communities in New York, Philadelphia, Newport, and Richmond; the importance of religion to Colonial Jews; Jewish participation in the Revolutionary War, the War of 1812, and World War I; Jewish converts to Christianity; Jews as masons; and Congregation Shearith Israel of New York.

Prominent individuals in this collection include: Ephraim Hart, Grace Seixas Judah, Mrs. Jesse Judah, Israel Baer Kursheedt, Sarah Seixas Kursheedt, Hayman Levy, Nicholas Low, Isaac Moses, Naphtali Taylor Phillips, Benjamin Mendes Seixas, David G. Seixas, Gershom Mendes Seixas, Isaac Benjamin Seixas, Isaac M. Seixas, Jacob B. Seixas, Joshua Seixas, and Moses Mendes Seixas.

The collection includes: account records, books, circumcision instructions and register, correspondence, drawings, estate papers, a eulogy, family trees, legal documents, petitions, photographs, prayer books, a sermon, and shipping records.

This collection is arranged into four series: Series I: Family Papers; Series II: Moses Seixas (1744-1809); Series III: Gershom Mendes Seixas (1746-1816) and descendants; and Series IV: Benjamin Mendes Seixas (1748-1817) and descendants.

Collection documents the activities and missions of the Union of Orthodox Jewish Congregations of America (UOJCA), primarily during the presidencies of William Weiss (1933-1942), Samuel Nirenstein (1942-1948), Moses Feuerstein (1954-1965), and Rabbi Pinchas Stolper’s tenure as Executive Vice President (1976-1994).

Founded in 1898, the UOJCA, also known as the Orthodox Union, serves as the leader, organizer, and voice of affiliated Orthodox Jewish congregations in North America. Divisions of the UOJCA reflected most prominently in the collection include the National Conference of Synagogue Youth, the Women’s Branch, the Kashruth Division, the Department of Synagogue Services, the Israel Center, as well as regional branches.

Subjects addressed in the collection include Sabbath and high holiday observance, dietary laws, Baal Teshuva, slaughterhouse legislation, funeral standards, education, and synagogue management and outreach. Materials include correspondence, minutes, clippings, speeches, UOJCA publications, financial documents, and a few photographs.

The material in this record group was culled from Hadassah's Central Files in Israel in the early 1980s to document Hadassah's role in Zionist history. Originally formed from a Zionist women's study group, the first Hadassah chapter in New York had a strong relationship with the Zionist Organization of America (ZOA; then known as the Federation of American Zionists). The material in this record group documents Hadassah's relationship to the ZOA and to other Zionist organizations in the United States, Europe, and Palestine/Israel, particularly in the years leading up to Israeli statehood in 1948. Other subjects addressed in this record group include the founding of Hadassah; World War II, particularly relating to Jewish emigration and refugees; the founding of the United Nations and the debate over recognition of a Jewish state; the partition of Palestine; and Arab-Jewish relations. Included are articles, clippings, convention resolutions, correspondence, diary extracts, memorandums, minutes, press releases, printed ephemera, publications, reports, and speeches.