Pierre Samuel du Pont de Nemours (1739-1817) was a French political economist, writer, publisher, and public administrator. Françoise Robin du Pont (1748-1841) was the second wife of du Pont de Nemours. The collection contains four letters from the du Ponts to Jonathan Russell (1771-1832), American Chargé d'Affaires in Paris.

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 the letter to James C. Aiken (1806-1884), du Pont agrees to sign a letter of recommendation for a political appointment to president-elect Grant (1822-1885).

Pierre Samuel du Pont de Nemours (1739-1817) was a French political economist, writer, publisher, and public administrator. Anne Louise Germaine de Staël-Holstein (1766-1817), known as Madame de Staël, was a writer, philosopher, and politically engaged woman who survived the French Revolution and was exiled multiple times by Napoleon Bonaparte (1769-1821). This collection contains six photocopied letters of du Pont de Nemours to Thomas Jefferson (1743-1826), and de Staël letters to unknown correspondents. The letters include references to the political situation in France, services of du Pont de Nemours printing establishment, and national affairs.

Pierre Samuel du Pont de Nemours (1739-1817) was a French political economist, writer, publisher, and public administrator. In the letters to Marie Charles César de Fay, Comte de Latour-Maubourg (1756-1831), du Pont de Nemours explains plans for creating a French colony in America.

Samuel Francis du Pont (1803-1865) was a Rear Admiral in the United States Navy and fought in the Mexican-American War and the Civil War. The collection contains letters to Joel Turrill (1794-1859) and Joseph Henry (1797-1878). The letters to Turrill are personal in content, referring to their friendship which dated back to 1845 when they both served on the U.S.S. Congress. The letter to Henry references controvery in the Senate involving Henry, likely concerning the Light-House Board.