1865-1918 1887-1968 1891-1976 18thcentury 19thcentury afro-americanarts afro-americans americanarts appreciation art artineducation arts authors blackarts blacks civilization conferencesconstitutionnelles constitutionallaw criticismandinterpretation droitconstitutionnel duchamp economicconditions ernst exhibitions fiction genderidentityinart general germanphilosophy germany gewoonterecht greatbritain history inart influence marcel max messesinart middleclass modern motives philosophy postmodernism psychoanalysisandculture raceidentity socialclasses soundinart spanish spanishfiction staatsrecht sublime the themes to1865 unitedstates womenartists