Joshua Gilpin (1765-1841) was a merchant and paper manufacturer. Thomas Gilpin (1776-1853) went into business with his brother, Joshua, establishing Delaware's first paper mill on the Brandywine Creek. James Riddle (1802-1873) owned James Riddle Son & Co., a cotton mill along the Brandywine. This collection contains miscellaneous papers from the three men, including deeds, property agreements, and a copy of Riddle's will.