The collection is divided into twenty-one series. Materials include biographical data, correspondence, legislative and committee materials, personal and office financial records, speeches, press releases, posters, audio and video tapes, and ephemera.

The Joseph Taylor Robinson papers (primarily 1900-1937) contain correspondence, memoranda, speeches, legislative bills, business and financial records, legal files, scrapbooks, clippings, photographs, and other materials created or received by or pertaining to Robinson's life and career, especially to his service as U. S. Senator from Arkansas, 1913-1937.