Papers include journals and diaries of travel to, and residence in, the Sandwich Islands (Hawaiian Islands), 1822-25, 1829; correspondence of Stewart and his wife (Harriet Bradford Stewart), 1822-36; and printed items. Other items are journals of voyages on U.S.S. Guerriere and U.S.S. Vincennes to and from Hawaii, 1829-30; to British Isles, 1832; to the Mediterranean on U.S.S. United States, 1834; to Spain and Portugal on U.S.S. Brandywine, 1839-41, along with a sketch book from the latter. There are also letter books kept on voyages on U.S.S. Congress to South America, 1850-52, and on U.S.S. Niagara, 1860-62, around the world via Japan, China, Mozambique, Cape of Good Hope, Charleston, South Carolina, and Cuba.