University Of Oxford First World War Poetry Digital Archive
Dataset published 2011 via Bodleian Libraries, University of Oxford
Rough workings of this poem. Probably begun in late 1916 in England, and continued in October-November 1917 at Craiglockhart or November 1917-January 1918 at Scarborough. This is no. 154 in ed. 'The Complete Poems and Fragments'.