MEDIA Show Media Credit: University of Virginia LibraryOriginal Author: W. E. B. DuBoisCreated: 1899Medium: Book spineBook Spine of The Philadelphia NegroA detail of the book spine of The Philadelphia Negro: A Social Study by W. E. B. DuBois (1899) features a broken chain. The book documents African American life in Philadelphia at the turn of the twentieth century.FEATURED INGreat Migration, The