1. Dennis O’Driscoll, Stepping Stones: Interviews with Seamus Heaney (London: Faber, 2008, pbk. 2009), 261–62.
2. Seamus Heaney, “Yeats as an Example?” in Heaney, Preoccupations: Selected Prose 1968–1978 (London: Faber, 1980, pbk. 1984), 110.
3. Neil Corcoran, Shakespeare and the Modern Poet (Cambridge: Cambridge University Press, 2010), 42.