University Of Oxford First World War Poetry Digital Archive
Dataset published 2011 via Bodleian Libraries, University of Oxford
Manuscript in pen in Edmund Blunden's hand. Corrections in ink. Published in 'Poetica', Vol. 1, No.3, April 1925 and 'Undertones of War' (1928). The raid was witnessed by Edmund and J. C. W. Clarke when they were stationed near Potijze in 1917.