一個美國奴隸，弗雷德裏克道格拉斯的生平記述 (Narrative of the Life of Frederick Douglass, an American Slave) 的書本封面 1845年

出處: Douglass, Frederick. "Narrative of the Life of Frederick Douglass, an American Slave." Published at the Anti-Slavery Office, 1845. Copyright 1999 by the Academic Affairs Library, The University of North Carolina at Chapel Hill, all rights reserved. Courtesy of The University of North Carolina at Chapel Hill.