The records consist of documentation of the Anti-Defamation League efforts to track and counter activities of the John Birch Society from its founding in 1958 through the mid-1970s. The material was organized by the ADL New England regional office and consists of correspondence, including copies of internal JBS material, memoranda, a large volume of newspaper clippings, as well as pamphlets, publications and reports.

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 collection of mainly anti-Semitic material was compiled by a Jewish librarian of German descent who infiltrated the pro-Nazi community developing in New York City in the years leading up to World War II. The bulk of the collection consists of publications and printed matter, with the notable exception of narrative reports that describe first-hand experiences and observations of Nazi-affiliated events. Document types include advertisements, event announcements, books, clippings, correspondence, magazines and newspapers, travel guides, political memorabilia, and other print ephemera.

The collection contains correspondence, documents, and newspaper clippings relating to the life and activities of Obermayer in local and national Jewish organizations. Includes: correspondence and other materials concerning the Board of Public Education of Philadelphia on which he served as member and then president 1955-1961 (of special interest are the papers pertaining to communism in the schools, educational television, and the problems of minority students); the American Jewish Historical Society of which he served as a member, president and chairman of the Exec. Council (of special interest is the material pertaining to the litigation over the Society's move to Waltham); the Symphony Club (1959-1966); the Penn. Advisory Committee, U.S. Commission on Civil Rights (1958-1960); the Penn. Alcoholic Beverage Study (1961-1967); the Heart Association of Southeastern Penn. (1964-1965); the National Committee on Employment of Youth (1965-1968); the American Bar Association Special Committee on Investigation, Solicitation and Handling of Personal Injury Claims (1957-1959); the Committee on Legal Ethics and Grievances (1961-1969); the Penn. Prison Society (1964-1969); the Phila. YM & YWHA (1925-1940, 1967-1968); the Hebrew Sunday School Society (1919-1970); the Union of American Hebrew Congregations, with special reference to Edmond Cahn's opposition to the establishment of Reform Jewish day schools (1964-1965); the Hebrew Union College (1964-1968); B'nai B'rith (1957-1967) and the Philadelphia Bar Assoc. (1937-1977).

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.

This collection contains documents relating to Isaac A. Hourwich’s role as an economist, publicist, statistician, lawyer, author, and authority on immigration, as well as his involvement with the labor movement and the formation of the American Jewish Congress. There are reports, minutes of meetings, memoranda, clippings and correspondence, and manuscripts and articles about Jewish labor, Socialism, Russia, Marxism, immigration, and other subjects. These materials demonstrate Hourwich’s important role in American labor, immigration theory, and political and economic theory.

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 collection contains the personal and professional papers of Shad Polier, including legal files from cases with which Polier was involved, particularly those concerning adoptions and civil liberties, articles and speeches by Polier, correspondence, and materials from several of the organizations with which Polier was affiliated, including the American Jewish Congress, the World Jewish Congress and the NAACP. These materials reflect his widespread participation with the civil liberties movement, equal rights and anti-discrimination law.