This collection contains the personal and professional papers of Celia Adler and Lazar Freed, including theatrical materials such as scripts, programs and sheet music, correspondence, newspaper clippings, assorted publications, and photographs of many of the members of the Adler family and their friends from the Yiddish theater. These materials reflect the wide scope of the Adler acting family and their immense influence on Yiddish theater, Broadway and motion pictures.

The papers of Yiddish poet Aliza Greenblatt include copies of published and unpublished songs, poems and articles in both typed and handwritten manuscript form, newsletters, newspaper clippings, programs, scrapbook pages, and sheet music. There are also drafts and correspondence regarding her autobiography, including original letters sent to her from her husband Isidore when he visited Palestine in 1920, which form a portion of her autobiography. The collection also contains correspondence and legal documents from Greenblatt’s family, documents relating to her Zionist and charitable activities, and correspondence from other Yiddish writers and poets.

This is an artificial collection that contains digitized posters and ephemera selected from various collections in the Archives of the American Soviet Jewry Movement at the American Jewish Historical Society.

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 General Jewish Council was an umbrella organization founded by the American Jewish Committee, American Jewish Congress, B’nai B’rith, and Jewish Labor Committee in order to coordinate their rights defense activities.

The bulk of the records in this collection date between from 1938-1944, the active years of the Council. Materials consist primarily of correspondence, minutes, memoranda, and reports.

This collection contains the personal and professional papers of Goldie Milgram, including articles written by and about her, liturgical and teaching materials, correspondence, schoolwork and essays written by Milgram as well as schoolwork that was submitted to her as a teacher, clippings, and personal papers belonging to her and to her family members. These materials reflect her participation with the Jewish Renewal movement as well as her work teaching about Jewish spiritual practices.

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.

The Irving J. Block Papers are a blend of personal papers and organizational records, documenting the evolution of the Brotherhood Synagogue (Congregation Beth Achim) in Manhattan and Block’s role as rabbi and his involvement in efforts outside of the congregation. The collection is primarily comprised of correspondence, sermons, minutes, notes, clippings, photographs, audiocassettes, and drafts of Rabbi Block’s memoir.

The Michaelson family papers include early family correspondence, documents, and ephemera; genealogical research conducted by Ms. Appleby, Anna's granddaughter; copies of New York City marriage certificates kept by Louis/Lewis B. Michaelson, Rabbi, between 1906-1907; and Anna Michaelson's copies of original birth records that she kept as midwife in the Lower East Side in New York City between 1892-1916. The collection is valuable for researchers interested in the Lower East Side between 1890-1920, Russian immigration to the United States, acculturation of immigrant families to America, midwives, the Jewish communities in Portsmouth, New Hampshire and Trenton, New Jersey, the Boys Institute in the Lower East Side, and the National Committee for Relief of Sufferers by Russian Massacres. In addition, this collection is rich in genealogy material, for researchers interested in the Michaelson family, births in the Lower East Side between 1892-1916, and marriages in New York City between 1907-1909. The collection contains correspondence, a family tree, birth certificates, memo pads, marriage certificates, meeting minutes, photographs, and a prescription pad.

Morris U. Schappes, self-taught historian of American Jewish History, author, teacher, and editor of Jewish Currents for 40 years, is also known as a victim of hearings conducted in 1941 by the Rapp-Coudert Committee, a New York legislative committee investigating Communist activities in the state educational system.

This collection is comprised of materials related to the Rapp-Coudert proceedings and Schappes' subsequent imprisonment, and of materials generated in the following decades. Topics represented include academic freedom, Communism in the U.S., the roles of Jews in U.S. history, and Emma Lazarus. The formats primarily present in the collection are research notes, manuscripts, clippings, and correspondence.

The Galveston immigration records document the attempt of the Jewish Immigrant Information Bureau, working in cooperation with several other Jewish organizations, to receive Jewish immgrants through the port of Galveston, Texas rather than New York City. The papers further describe the JIIB's efforts to resettle the immigrants in communities throughout the United States. Papers include ship passenger lists, correspondence, and statistical reports, as well as papers dealing with individual immigration cases.

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.

Spanning from its inception and incorporation in 1925 to its culmination in 2002, the Queens Jewish Center collection highlights this congregation's wide-range of religiously oriented and secular educational activities, ceremonies, developments, events, and programs. Predominant in this collection are the reports, bulletins, financial, legal and property records, and meeting minutes. In addition, books, clippings, correspondence, pamphlets, programs, publications, negatives photographs are also contained with in this collections.

This collection contains the papers of Sallyann Amdur Sack, “The Godmother” of Jewish Genealogy. In 1980, Sack founded the Jewish Genealogy Society of Greater Washington (JGSGW); in 1984, she organized the First International Seminar on Jewish Genealogy in Jerusalem, Israel; and in 1985, she co-founded AVOTAYNU: The International Review of Jewish Genealogy, known as “The Voice” of Jewish Genealogy research. These papers chronicle Dr. Sack’s groundbreaking work, which ranges from the early 1980s through 2007. The collection contains correspondence, conference and seminar materials, planning and research papers, as well as photographs and audio/visual material.

The Steven Siegel Collection documents the life and professional activities of Steven Siegel, archivist, genealogist, and an active member of the LGBT community. The collection consists of correspondence, seminar and conference materials, publications, lists, manuscripts, original genealogical research, minutes, official documents, photographs, project proposals, and questionnaires. Materials related to Steven Siegel’s personal life constitute a smaller portion of the collection and consist of personal correspondence, materials documenting his involvement with Cornell University and Congregation Beth Simchat Torah. Materials documenting Siegel’s professional activities include documents pertaining to the Jewish Historical Society of New York, the Jewish Genealogical Society, and the Council of Research Libraries in Jewish Studies.

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.