Letter from Ted Hughes to Nicholas Hagger dated 19.3.1994, published in Letters of Ted Hughes, selected and edited by Christopher Reid, Faber and Faber, 2007, p.663

Letter from Ted Hughes to Nicholas Hagger dated 19.3.1994, published in Letters of Ted Hughes, selected and edited by Christopher Reid, Faber and Faber, 2007, p.664

Letters of Ted Hughes, selected and edited by Christopher Reid, Faber and Faber, 2007, pp.663-4