Series IV. Family Papers contains business and personal correspondence and accounts, reflecting the activities of Joseph (1755-1824), John H. (b. 1793), Joseph (b. 1815), James (1796-1874), Hannah (b. 1821), Michael (b. 1817), Tabitha (b. 1832), William D. (b. 1825), and Eliza (Paine) Gregory. Correspondence of interest includes: letters with Joseph (1755-1824) describing his iron work; John H.'s (b. 1793) military correspondence and letters regarding the estates of his parents and his father-in-law, William Bowden; and correspondence to Joseph (b. 1815) from his brother-in-law Emerson Ames, regarding his iron foundry/workshop in Baltimore and Edward F. Bowden, describing the growth of towns in Ohio and Iowa. Also included here is an anonymous threat to burn the town of Marblehead.