Subseries A. General Business Account Books covers the years 1860 to 1895, and records the shipping and investment transactions of the firm. Account books before 1860 record the brothers’ private accounts of their transactions with Stone Silsbee and Pickman, and Benjamin W. Stone’s activities with his father’s distillery. Stone family estate accounts and land investments in Michigan, Illinois, and New Hampshire can also be found in some of the account books.