This collection documents the personal and political life of Herbert H. Lehman, who served as lieutenant governor, governor, and senator of New York, and as director-general of the United Nations Relief and Rehabilitation Administration.

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..