Goethe, Johann Wolfgang von, 1749-1832 ; Goethe, Johann Wolfgang von, 1749-1832--Knowledge--Science ; Goethe, Johann Wolfgang von, 1749-1832--Aesthetics ; Color ; Visual perception ; German literature--19th century--History and criticism ; Romanticism--Germany ; English literature--19th century--History and criticism ; Romanticism--Great Britain ; Literature, Comparative--German and English ; Literature, Comparative--English and German