Correspondence, writings, reports, research notes, clippings, and other papers relating chiefly to Kauffman's research on equestrian statues. Includes drafts of an address delivered before the Literary Society of Washington (Washington, D.C.). Correspondents include Joseph Alexis Bailly, Truman Howe Bartlett, Sir Joseph Edgar Boehm, and the Benj. French & Co., Boston, Mass.