This collection includes ca. 200 letters to and from Harvey's family, concerning Quakers, the Missouri Compromise, slavery, the depression of 1819-1820. There is also a commonplace book (1819-1820, 1821 Aug.), with observations on a balloon ascension of 2 Aug. 1819 from Vauxhall Gardens in England, slavery, Indians, and descriptions of Washington and Baltimore. There are also journals of trips to Niagara Falls and Canada in 1820 and to the American West, from Baltimore to Louisville and back, with an added description of a voyage around Long Island aboard the Robert Fulton in August 1821.