American Slavery As It Is: Testimony of a Thousand Witnesses, a volume co-authored by Theodore Dwight Weld and the Grimké sisters, is also a source of some of the novel's content.
American Slavery As It Is: Testimony of a Thousand Witnesses, en volym medförfattad av Theodore Dwight Weld och systrarna Grimké, identifieras också som en källa till en del av materialet.