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.

Papers of four generations of the Wright family of Monmouth County, New Jersey, and Luzerne County, Pennsylvania, particularly of Samuel G. Wright (1781-1845), Philadelphia merchant and general entrepreneur, and his son, Harrison Gardiner Wright (1810-1885), a gentleman farmer.