Correspondence, memoranda, minutes, reports, scrapbooks, printed material, and photographs. The files contain much material of the League of Women Voters of New York State as well, and some material pertaining to the national organization. The files document the League's activities in the areas of voter registration, election reform, New York City government, foreign policy, ecology, and numerous other concerns, and contain the records of city, state, and national conventions, annual reports, and Board and Council minutes. Major correspondents include Emanuel Teller, Stanley M. Isaacs, Jacob K. Javits, Robert F. Kennedy, Edward I. Koch, John Vliet Lindsay, Nelson A. Rockefeller, Anna Lord Strauss, and Percy E. Sutton.

Letters, documents, clippings, and printed matter related to the work of the Citizens Union of New York, including correspondence, memoranda, and reports which survey, analyze, and criticize bills introduced in the state legislature and city council; 244 boxes of "Who's Who" biographies of candidates for city and state offices; files of campaign and election materials; records of affiliated "good government" organizations in New York City; and extensive financial records.