The records of the American Jewish Congress, a national Jewish agency, concerned primarily with Jewish and other minority civil rights, include the constitution, by-laws, and minutes of the Administrative and Executive Committees and Governing Council of the Congress. The collection has materials generated by the National Biennial Conventions, Executive Directors, including Phil Baum and Henry Siegman, and the General Counsel files of Will Maslow, Commissions and the Jerusalem Conferences of Mayors, Regional Chapters, National Women's Division, Business and Professional Chapters, Public Relations, and miscellaneous activities conducted by American Jewish Congress.

Julius Caesar Claude Edelstein (1912-2005), served as advisor and executive assistant to military officials and political figures. His papers primarily encompass his job as executive assistant and chief of legislative staff to Senator Herbert H. Lehman during Lehman's senatorial years 1949-1956. Edelstein remained executive assistant to former senator Lehman from 1957-1960. His files include correspondence, memoranda, press releases, clippings, speeches, statistics, maps, pamphlets and government publications.Julius Caesar Claude Edelstein (1912-2005), served as advisor and executive assistant to military officials and political figures. His papers primarily encompass his job as executive assistant and chief of legislative staff to Senator Herbert H. Lehman during Lehman's senatorial years 1949-1956. Edelstein remained executive assistant to former senator Lehman from 1957-1960. His files include correspondence, memoranda, press releases, clippings, speeches, statistics, maps, pamphlets and government publications..