University Of Oxford First World War Poetry Digital Archive
Dataset published 2011 via Bodleian Libraries, University of Oxford
Typescript of poem published in 'Poems of the War and After' (1934)" Versions also published in 'St. Monica's School Notes', 1915-1916 on 16 March 1916, 'Verses of a V.A.D.' (1918), and in 'Oxford Magazine' on 5 May 1916.