gates-of-dahomey-book-sketch-1851-library-of-congress The “Gates of Dahomey,” as depicted in a sketch from a book published in 1851. (Frederick E. Forbes. London, Longman, Brown, Green,and Longmans, 1851, World Digital Library via Library of Congress) Frederick E. Forbes. London, Longman, Brown, Green,and Longmans, 1851, World Digital Library via Library of Congress