This lecture was delivered by Heaney in his capacity as Professor of Poetry at Oxford, but was not collected in 'The Redress of Poetry'. See reference to the essay in the Preface (ix) of 'The Redress of Poetry'.

Department of Manuscripts, National Library of Ireland. There are additional Seamus Heaney manuscripts held in the Department of Manuscripts (MS 41,932/1-3). This consists of manuscript and typescript drafts of the poem 'Sweeney Astray', with additional notes on early Irish poetry;

Physical description: 13 pages.