1. Letter, 1825 April 11, Columbia, S.C., Capt. Adam Mayer and John B. O'Neall to Richard I. Manning Creator: Mayer, Adam, 1787-1834 and O'Neall, John Belton, 1793-1863 Collection: Williams, Chesnut, Manning Family Papers, 1682-1926 Institution: University of South Carolina. South Caroliniana Library