Correspondence, 1919-1950; photographs, c. 1884-1943; journal, 1931-1934; scrapbooks of clippings, 1927-1931 and 1934-1944; and other material pertaining to Thaddeus Horatius Caraway's political and other activities, 1927-1931, and Hattie Wyatt Caraway's political and other activities, 1931-1945, while serving as U.S. Senators from Arkansas (1920-1931 and 1931-1945, respectively); to T.H. Caraway's death, 1931; to H.W. Caraway's post-Senatorial career as U.S. civil servant, 1945-1950; and to personal and familial affairs of the Caraway family, c. 1884-1950.

Correspondents include Grace Coolidge, Harvey Crowley Couch, Charles Curtis, Robert Courtney Davis, James Aloysius Farley, Lewis Blaine Hershey, Mary Teresa Norton, Claude Denson Pepper, Franklin Delano Roosevelt, and Harry S. Truman.