What poem, edited by Alistair Campbell, references an English victory in 937?
Alistair Campbell (academic):  He was the editor of editions of the Old English poem "Battle of Brunanburh", Æthelweard's "Chronicon" and Æthelwulf's "De abbatibus". Battle of Brunanburh (poem):  The poem records the Battle of Brunanburh, a battle fought in 937 between an English army and a combined army of Scots, Vikings, and Britons. Battle of Brunanburh (poem):  The battle resulted in an English victory, celebrated by the poem in style and language like that of traditional Old English battle poetry.
Battle of Brunanburh