Dr. Daniel Drake's Letters on slavery to Dr. John C. Warren, of Boston. : Reprinted from the National intelligencer, Washington, April 3, 5 and 7, 1851
Dr. Daniel Drake's Letters on slavery to Dr. John C. Warren, of Boston. : Reprinted from the National intelligencer, Washington, April 3, 5 and 7, 1851 / with an introduction by Emmet Field Horine