1838, Richard Monckton Milnes, letter to Aubrey de Vere, cited in T. Wemyss Reid, The Life, Letters, and Friendships of Richard Monckton Milnes, First Lord Houghton, London: Cassell, Volume 1, pp. 220-221, Have you ever seen any of Blake’s poetry? I think of publishing some selections from him which will astonish those who are astoundable by anything of this kind.
Source: wiktionary