The Delaware Antiques Show includes guest speakers and antique dealers to display American antiques and decorative arts. Arminda du Pont (1927-1997) was the founder and the first chairperson of the Delaware Antiques Show. Henry Francis du Pont (1880-1869) was a major collector of American decorative arts, his home, became the Winterthur Museum in 1951. This collection includes one candid photograph of Arminda du Pont (Mrs. E. I. du Pont) and Henry Francis du Pont at the 1967 Delaware Antiques Show.

The Bank of Delaware was a statewide financial services company that was organized on June 1, 1795. It received its original charter on February 9, 1796, becoming the first bank in and of the State of Delaware. In 1865 it received a national charter under the National Banking Act and was renamed the National Bank of Delaware at Wilmington. It operated under this name until its 1930 failure and subsequent acquisition by the Security Trust Company. The name "Bank of Delaware" was revived by the successor company in 1958. The Bank of Delaware's holding company was merged into PNC Financial Corp. in 1989. The Bank of Delaware collection consists of minute books, stock certificate books, letter books, journals, and ledgers of the Bank of Delaware and nine of its predecessor, merged, and acquired financial institutions.

Consists of the family papers of former DuPont CEO Lammot du Pont Copeland (1905-1983) and his wife Pamela Cunningham Copeland (1906-2001). The Copelands' papers document the lives and interests of a wealthy American couple in the twentieth century. In particular, the papers of Pamela C. Copeland are an important source of information about the public activities of women in the areas of historic preservation, gardening and horticulture, and philanthropy.

J. Howard Pew (1882-1971) was president of one of the largest wholesale distributor of motor petroleum companies, the Sun Oil Company (now Sunoco) from 1912 to 1947. He was a prominent philanthropist. In 1948, Pew and his siblings co-founded The Pew Charitable Trusts, a non-profit, non-governmental organization with the purpose of serving the public. The J. Howard Pew papers are primarily concerned with Pew's political activities and philanthropy. The collection is arranged into seven series: Alphabetical general correspondence; Subject files; Presbyterian Church; Christian Freedom Foundation; Glenmede Trust Co.; Pew Memorial Foundation; and Grove City College.

The Pew Charitable Trusts are a major philanthropic organization based in Philadelphia, Pennsylvania. Part of the Pew Charitable Trusts records in the Manuscripts and Archives Department, the digital archive consists primarily of eGrant products and Pew publications.

Irene "Sophie" Sophie du Pont May (1900-2001) was a churchwoman, a philanthropist, and a descendant of Pierre Samuel du Pont de Nemours (1739-1817) who founded the E.I. du Pont de Nemours & Company with his son Eleuthère Irénée du Pont (1771-1834) in 1802. The E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. The collection consists of Sophie du Pont May's family correspondence and financial correspondence as well as correspondence between her father Irénée du Pont (1876-1963) and his older sister Louisa d'Andelot du Pont Copeland (1868-1926).