Guide to Research CollectionsLibrary of Congress
Papers: 1910-1935. 4 containers. Chiefly correspondence, together with a few drafts of letters, memoranda, reports, and printed matter from his service as senator. Includes material (1917-1920) on the treaty fight in the Senate. Available on 1 microfilm reel. Finding aid.
Nebraska State Historical Society
Papers: 1894-1936. 600 items and 1 microfilm reel. General, political, and family correspondence; speeches; manuscripts; financial papers; printed matter; scrapbooks; and memorabilia. Finding aid.
Stanford University Libraries
Papers: In George A. Clark fur seal controversy papers, 1897-1918.
University of Iowa Libraries
Iowa City, IA
Papers: Correspondence in Arthur Francis Allen papers, 1913-1949. Finding aid.
University of Michigan
Bentley Historical Library
Ann Arbor, MI
Papers: Correspondence in James Orin Murfin papers, 1896-1940.