Adolphe Amadee Fesquet (1833-1894) was a chemical engineer and the author of a number of textbooks and translated French technical works into English. The collection comprises four volumes of educational course notes from lectures on mechanics, metallurgical chemistry, architecture, and the Catholic faith.

American Car and Foundry Company is a manufacturer of railroad rolling stock and railcar parts, founded in 1899. In the company's early years, American Car and Foundry Company constructed its railcars from wood. Additionally, the company engaged in architectural millwork for buildings. This collection features twenty-five copy photographs of building interiors and exteriors with emphasis on wooden architectural elements.

Lavoisier Library is the library at the DuPont Company's Experimental Station, a large industrial research facility focused on innovative advancements in chemistry located in Wilmington, Delaware. The Lavoisier Library was established in 1917. This collection consists of images from the DuPont Company's Lavoisier Library: primarily of employees and interior views of the library. There are materials that document the history of the organization of the library, the development of the physical building, and library employee's work. There are a few group and individual photographs of DuPont Company employees.

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.