W.W. Corcoran papers, 1791-1896
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.
Corcoran, W. W. (William Wilson) - Corcoran, W. W.
Samuel Peter Heintzelman papers, 1822-1913
Union army officer. Correspondence, diaries, journals, and military papers detailing Heintzelman’s service in the United States Army from his years at the United States Military Academy through the Civil War. Includes descriptions of activities in Indian wars in Florida, the Southwest, and California, and during the Mexican War.
Heintzelman, Samuel Peter
Herman Hollerith papers, 1850-1982
Inventor and businessman. Correspondence, diary, financial and business papers, patents by Hollerith and others, blueprints, drawings, a Hollerith machine punch plate, writings about Hollerith by Geoffrey Austrian and others, biographical material, and other papers relating to Hollerith tabulating machines and their use in census taking (1890-1910), operation of Tabulating Machine Company and its merger with two other companies forming Computer-Tabulating-Recording Company (1911), and Hollerith's...