1. Henry Ravenel Account Book, 1827-1833 Date: 1831, 1832, 1830, 1833, and 1820-1829 Description: The Henry Ravenel Account Book, 1822-1833 is a book kept by Henry Ravenel documenting the purchases of goods by enslaved people as well as accounts of various members of the Dubon and Porcher families for personal goods.