C. Robert Werle (1893-1990) was an industrial engineer who worked for Cooley & Marvin Company of Boston conducting time studies, as well as analysis of accounting and plant methods for a variety of clients, mostly in the textile, leather, woodworking and metalworking industries. This collection consists of images, advertisements, and sales flyers, for various clients of Werle, specifically a metal packaging company, a cedar chest manufacturer, duplex homes for sale.

This collection includes ephemera, postcards, films, advertisements, photographs, documents and objects relating to the history of salt. The collection was assembled by Carol Litchfield (1936-2012), a biologist and biochemist with an interest in halophiles and salt history. These items document the history and development of salt manufacturing throughout the world. Historic and modern methods of salt harvesting are depicted from various areas around the world.

Additionally, this collection includes documentation of Carol’s personal research and participation in salt related conferences and programs.

Dan Dee Pretzel and Potato Chip Company was an American snack food manufacturer based in Cleveland, Ohio. This collection consists of nine short, silent film reels depicting select manufacturing and packaging processes at the company's factory and warehouse.

E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. While cellophane was invented in Switzerland, it was not until DuPont acquired the patent in 1923 that allowed DuPont scientist William Hale Charch (1898-1958) to improve it so that it was impervious to water vapor. DuPont produced cellophane until 1986. This collection consists of undated photographs, one saleman's album, and one poster that all relate to cellophane packaging.

F.H. Dow & Company was a manufacturer of chocolates and candy. This album contains of photographs from F.H. Dow & Company of Boston, Massachusetts, showing various box designs for Utopian chocolates.

Irv Koons (1922-2017) was a graphic artist, designer, and illustrator who became one of the leading consumer package designers of the twentieth century. The photographic collection contains slides, negatives, color transparencies, and prints documenting all of Koons's major design projects over the course of his long career as a package designer.

The Jones Brokerage Company was a food brokerage business founded by Otis V. Jones Jr. (1915-2003) in 1946, as Associated Foods in Raleigh, North Carolina. This small collection contains samples of packaging for bread, coffee, desserts, produce, meats, sausages, and salt.

Leonard W. Walton (1911-2005) was a printing industry executive with Milprint, Inc., which specialized in printing packaging materials, between 1936 and 1976. His collection of Milprint records primarily consists of printing samples including candy wrappers, cigarette boxes, potato chip and bread bags and bacon boxes.

Lepley & Joswick Photographers was a commercial photographic studio in Chicago, Illinois, between 1946 and 1952. The firm was a partnership between Alden D. Lepley (1911-2003) and Gerald "Jerry" J. Joswick (1923-1990). In 1946, Lepley and Joswick opened a photography studio at 5121 W. Devon Ave. in Chicago. Their clients were mainly industrial ones. Both partners continued to pursue side projects and give lectures separately. This small collection of photographs features a range of commercial images depicting different areas of industry in Chicago between 1940 and 1952. It includes food factory assembly line workers, canned and boxed food products, home appliances and electronics, and interior home designs.