Subseries C. Shipping Papers document Nathaniel's career first as a ship master and later as a shipping merchant. Papers for the Ship Benjamin, owned by Elias Hasket Derby, cover Nathaniel's captaincy from 1792 to 1795. Papers for the Ship Herald include letters from Zacharia F. Silsbee, master of the Herald to his brother, Nathaniel. The bulk of the papers for the brig Romp concern the memorial to Congress on the Romp's capture by the French (1809). Account books for the ships Benjamin, Betsy, and Herald are also included in this subseries. Miscellaneous shipping papers document Nathaniel's partnerships in the shipping firms of Stone, Silsbee, and Pickman and Silsbee and Devereux. Additional documents are included for the brigs Edwin and Malay and the ship Mary Ann.