Schwarze USA African American intellectuals History 19th century African Americans Civil rights History 19th century African Americans Intellectual life 19th century Empiricism History 19th century Knowledge, Sociology of History 19th century Kulturleben Racism United States History 19th century Rassentheorie Science Social aspects United States History 19th century African American sociologists African Americans Social conditions Charts, diagrams, etc Anthropogeografie Aufsatzsammlung Ausbildung Contemporary Literature Design Diagramm Du Bois, W. E. B. (William Edward Burghardt) 1868-1963 Du Bois, William E. B. 1868-1963 Exposition universelle (1900 Paris, France) Farbe Fiction Geschichte Gesellschaft Graphs / lcgft Information visualization Informationsgrafik Karte