1. Faas, E. ‘Appendix II’, The Unaccommodated Universe, Black Sparrow Press, Santa Barbara, 1980. p.214

2. Faas, op.cit. p.215.

3. Letter to Keith Sagar, Reid, C. (Ed.), Letters of Ted Hughes, Faber, 2007, pp.383-5.

4. Letter to Terry Gifford and Neil Roberts, Letters of Ted Hughes, p.428.

5. Ibid.