Inclusive of work between 1770-1870: this permits work by Blake and Burns as well as the influence of Rousseau's writings.
"Officially" starts in 1798 when Wordsworth and Coleridge published Lymical Ballads and when German poet Novalis put together Hymns to the Night (Hymnen and Die Nacht).
"Officially" ends in 1832 around the time of Sir Walter Scott's and Goethe's death