Preface: March 17, 1883 -- Trier (1818-1836) -- Bonn and Berlin (1836-1842) -- Cologne (1842-1843) -- Paris (1843-1845) -- Brussels (1845-1848) -- Cologne II (1848-1849) -- London I (1849-1859): "The second as farce" -- London II (1859-1883): "The greatest living thinker" -- Major works: the...