Financier and philanthropist. Correspondence, letterpress books, financial papers, newspaper clippings, printed matter, and other papers relating primarily to Corcoran's business and banking interests and philanthropic efforts.

Correspondence, biographical material, business records, writings, legal documents, memorabilia, and genealogies of the Hale, Everett, Hill, and Sears families. The collection consists primarily of the papers of Nathan Hale (1784-1863), pioneer railroad builder and journalist; Alexander Hill Everett (1790-1847), diplomat and editor; and Edward Everett Hale (1822-1909), author and Unitarian minister.