Papers documenting Longwell's influential career in publishing and journalism. There are files of correspondence with such notables as Sir Winston Churchill, Ernest Hemingway, Thomas Hart Benton, the Duke and Duchess of Windsor, Christopher Morley, and H.L. Mencken as well as artists such as Tom Lea and Peter Hurd. Also, correspondence and memoranda dealing with the Time-Life organization, among them an extensive series of letters from Henry R. Luce and various editors of the magazines.