The papers of Nelson W. Aldrich (1841-1915), statesman, financier, and businessman, span the years 1777 to 1930, with the bulk of the material concentrated in the years 1879 to 1915. The collection is composed primarily of correspondence, printed matter, and material relating to tariff legislation and the National Monetary Commission, supplemented by diaries, notebooks, speeches, research notes, serials, financial papers, and miscellaneous items.