100 1807-1884 1812-1875 1813-1883 1818-1883 1856-1939 193 19thcentury 230 anthropologiephilosophique b christianisme christianity communism congresses controversialliterature dialecticalmaterialism dittmar feuerbach freud germanreligiousphilosophy19thcentury germany hess histoireetcritique history historyandcriticism idealism influencefeuerbach karl louise ludwig ludwigandreas marx materialism moses ouvragesdecontroverse philosophie philosophy radicalism religion religiousaspects richard sigmund socialism wagner