E.I. du Pont de Nemours & Company (associated name), Cavalcade of America (Radio program) (depicted), Cavalcade of America (Television program) (associated name)
E.I. du Pont de Nemours & Company (associated name), Hagley Museum and Library (associated name), Copeland, Lammot du Pont, 1905-1983 (addressee), Du Pont, Pierre S. (Pierre Samuel), 1870-1954 (correspondent), James, Marquis, 1891-1955 (author), Saturday evening post (publisher)
