Joseph Bancroft & Sons Company began operation in 1831 as a cotton cloth manufacturer in Rockford, Delaware. After the Civil War, the company concentrated on finishing cotton cloth. The collection contains material related to the Joseph Bancroft & Sons Company, Eddystone Manufacturing Company, genealogical notes on the Bancroft-Wood family, and the Delaware postal system.

Harvey Bounds (1893-1982) was the unofficial historian for Joseph Bancroft & Sons Company. The Joseph Bancroft & Sons Company manufactured, bleached, dyed, and finished a variety of cotton-made goods along the Brandywine River in Wilmington, Delaware. This collection is comprised of four reports Bounds collected regarding the history of the company.

Joseph Bancroft & Sons Company began operation in 1831 as a cotton cloth manufacturer in Rockford, Delaware. After the American Civil War, the company concentrated on finishing cotton cloth, purchasing the Kentmere Mills adjoining their original site in 1895 and a third plant for manufacturing at Reading, Pennsylvania, in 1910. The company acquired another textile firm, the Eddystone Manufacturing Company, in 1925. This collection comprises records from both the Joseph Bancroft & Sons Company and the Eddystone Manufacturing Company, along with records from several predecessors and subsidiaries. The Joseph Bancroft & Sons Company records trace the firm's history from 1831 through 1961, with the Managing Director's letter books, in particular, giving a very detailed picture of the company's operations. The records of the Eddystone Manufacturing Company and its predecessors are relatively complete and offer a good picture of a medium-sized textile firm that was typical of the mid-Atlantic states.

Anthony C.F. Wallace (1923-2015) was an anthropology professor at the University of Pennsylvania between 1951 and 1988. The Eddystone Manufacturing Company operated a cotton prints factory in Eddystone, Pennsylvania. The company was founded, owned, and operated by the Simpson family until 1929. This small collection consists of student papers written for the course Anthropology 703 Cultural Change in the Industrial Revolution. The papers all focus on the history of the Eddystone Manufacturing Company or the Simpson family and were written in the spring of 1986.