Finding Aids

E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company, established in 1802. DuPont broke ground on the Louviers office building, located near Newark, Delaware, in June 1951 and was occupied by DuPont's Engineering Department beginning in August 1952. This collection consists mostly of photographs of DuPont's Louviers office building. There are some photographs showing the Engineering Department's move from Wilmington to the Louviers Building.

Mark C. Walker & Son Co. was a general contractor firm in the early to mid-twentieth century. The company was founded as Callahan-Walker Construction Company in Omaha, Nebraska, by Mark Connell Walker (1889-1966) and his father-in-law, William F. Callahan (1856-1930), a railroad contractor. Upon Callahan's death, Walker took on his son, Mark Callahan Walker (1911-1999), as a partner. This album, compiled by Walker Jr., documents construction projects during World War II, as well as the post-war western United States. It highlights the impact of public works in the twentieth century. The album contains photographs, text, and newspaper clippings detailing several key construction projects: the Gary Armor Plate Steel Mill in 1942, the Harlan County Dam between 1946 and 1947, and the Orange County Sanitation Plant in 1953. The album also contains photographs and trade catalogs from the company's Polair Mobile Refrigerator Division, which designed and built refrigerated truck trailers for the U.S. Army.

Strawbridge & Clothier was the last family-owned major department store chain in the Greater Philadelphia area. The store was founded as a partnership by Justus C. Strawbridge (1838-1911) and Isaac H. Clothier (1837-1921) on July 1, 1868 at 8th and Market Streets in Center City Philadelphia. This collection contains photographs, negatives, transparencies, lantern slides, glass negatives, slides, audio tapes, videotapes, and films from Strawbridge & Clothier. It is valuable to those researching all aspects of retail: history, architecture, department stores, shopping malls, employment, operations, promotion, advertising, fashion, and merchandising. Other topics include family-owned businesses, distinguished Quaker families, business response on the homefront during World War II, the Gallery and Market East, and Philadelphia and its environs. There are also proposal albums from the Pavlik Design Team of store design for the Cherry Hill, King of Prussia, and Willow Grove stores and from Neil/Carter Design Associates for Heritage Hall in the Market Street store.