The collection documents American Jewish Committee’s efforts to combat all forms of discrimination against the Jews in the United States. Additionally, there are materials pertaining to AJC’s work regarding other minority groups in the United States. The collection offers researchers a unique chance to see how and what was done prior to the changes in public opinion and civic and legal laws. The American Jewish Committee Records, Subject Files consists of materials created by executive offices, departments, local offices and chapters of the Committee concerning a variety of matters; foremost Jewish civil and religious rights, immigration, and the Holocaust.

This record group contains materials related to the local units of Hadassah—groups, chapters, regions, and co-ops—as well as Junior Hadassah, a youth organization that functioned as a group within the Hadassah Chapter structure. The record group documents over one hundred years of Hadassah’s growth, and illuminates a century of American Jewish communal life, particularly that of Jewish women, across the United States. The record group reflects the formation, administration and activities of the individual groups, chapters, co-ops and regions, and contains information on local events and programs organized around fundraising, Zionism, Jewish heritage, religion and holidays celebration, the study of Hebrew and Yiddish, women's issues, fashion, health, technology and many other topics.

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 papers of one of the pioneers of the American Soviet Jewry Movement. Starting in the early 1960s Moshe Decter instigated broad publicity campaigns to raise global awareness about the persecution of Soviet Jews and authored hundreds of articles on the subject in a variety of publications. Mr. Decter established and directed the Jewish Minorities Research bureau, served as the executive secretary of the Conference on the Status of Soviet Jews and as a director of research at the American Jewish Congress. Moshe Decter Papers consist of materials dating from the late 1950s to the early 2000s, with the bulk of the collection dating in 1960s-1970s. The documents include articles, correspondence, transcripts, notes, memoranda, publications, news clippings, broadsides and photographs.

The materials in this record group document the entirety of Hadassah’s history and work in Israel and the United States in photographs—prints, slides, glass lantern plates, and digital images.

This collection consists of general reference files from the New York City headquarters of the American Jewish Committee (AJC). Materials originated in various AJC departments and were maintained by a Central Records office until 1962, when records retention policy was decentralized. Document types include correspondence, memoranda, reports, clippings, and published materials concerning individuals, businesses, government agencies, and other organizations related to the work of the AJC.

The collection contains the records of the Jewish Defense League (JDL), a militant Zionist organization with a stated goal to protect Jews from all forms of antisemitism. The materials document the origins of the JDL, the organization's mission statement and recruitment strategies and account for its most definitive actions. The collection also reflects the League's turbulent relationship with, and its criticism of the mainstream Jewish agencies, as well as examples of criticism of the League's controversial methods from various sources. The collection prominently covers the JDL's role as a pioneer of the American Soviet Jewry movement. Materials on the 1971 World Conference of Jewish Communities are also included. The documents include the Articles of the Organization, correspondence and press releases, membership and recruitment materials, newsletters, newspaper clippings and ephemera.