Correspondence; miscellaneous letters, manuscripts, clippings, and printed material, 1867-1922, relating to the American Historical Association, the Centenary of Anglo-American Peace, and Dartmouth College; memorabilia, and photographs and postcards. Also, Dunning family correspondence and manuscripts, 1781-1915, including letters from Robert Kerr to W.A. Dunning; letters and post cards to Matilda A. Dunning; journals and diaries of William A. Dunning, 1873-1875 and undated, and Charlotte Dunning, 1899-1915; miscellaneous letters among family members; visiting cards; a composition written by Dunning while a boy; and letters relating to Dartmouth college. The collection also includes manuscript notes for lectures, articles, reviews, books, and chapters by Dunning. Some subjects include: "The British Empire and the United States", "Carl Schurz", "England and Ireland", and "Political Theory".