Correspondence, diary notes, addresses, writings, notes, records of interviews with autograph comments by the subject, printed matter, photographs, and other papers relating to Beveridge's career from his early law practice in Indiana through his two terms in the U.S. Senate, experience as a war correspondent in Europe, work as a historian and biographer, and to the Progressive Party. Includes drafts of Beveridge's books, What is Back of the War (1915), Life of John Marshall (1916-1919), and Abraham Lincoln, 1809-1858 (1928), as well as source material used by Beveridge in writing his biography of Abraham Lincoln. Interviewees include Henri Bergson; Edward Grey, Viscount Grey of Fallodon; Gabriel Hanotaux; Gilbert Parker; Bernard Shaw; Alfred von Tirpitz; and William II, German Emporer. Correspondents include George Horace Lorimer, George W. Perkins, David Graham Phillips, Gifford Pinchot, Theodore Roosevelt, John C. Shaffer, and Albert Shaw.