Correspondence, manuscripts, and notes. This collection contains the manuscripts for most of his books and articles. There are also copies of his many book reviews and articles by other authors analyzing the impact of his interpretations of American history. The correspondents include: H.S. Commager, C. Vann Woodward, Stuart Bruchey, S.E. Morison, Clarence Ver Steeg, Alfred A. Knopf, Helen Frankenthaler, Arthur Schlesinger, Jr., and others. There are also 70 books from his library