Henry Algernon du Pont (1838-1926) was a military officer, a politician from Delaware, and vice president of E.I. du Pont de Nemours & Co. On July 21, 1896, du Pont wrote a letter to John C. Higgins (1838-1924) congratulating him on his nomination for Governor of Delaware for the Republican Party.

Henry du Pont (1812-1889) was an American military officer and son of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828). In 1854, du Pont wrote a letter to Senator John M. Clayton (1796-1856), requesting assistance in securing an appointment for his son, Henry A. du Pont (1838-1926), to the United States Military Academy at West Point.

Pierre Samuel du Pont de Nemours (1739-1817) was a French political economist, writer, publisher, and public administrator. The letter he wrote to Philippe Albert Stapfer (1766-1840), Ministre de l'Interieur de la Republique Helvetique, concerns the Swiss political system and public educational system.

Pierre Samuel du Pont, IV (1935 -2021), known by many as "Pete," was the sixty-eighth governor of Delaware from 1977 to 1985. In 1987, du Pont started his campaign for president, running as a Republican candidate. After his withdrawal from the presidential race, Pete du Pont resigned from politics and became a partner at Delaware law firm Richards, Layton & Finger. Du Pont was a published writer and member of several academic and political institutions throughout his life and professional career. The collection is predominantly textual material, the bulk of which is du Pont's published writing and professional correspondence as a politician and lawyer. There are photographic prints included that document du Pont's personal life with his family and general du Pont family legacy media coverage. The video portion chronicles du Pont's public appearances, as well as television programs and forums that highlight general conservative talking points, and the work of the National Center for Policy Analysis. The material spans from the mid-twentieth century to the early twenty-first century.