The Anglo-Saxon Chronicle Freely licensed version at Gutenberg Project. Note: This electronic edition is a collation of material from nine diverse extant versions of the Chronicle. It contains primarily the translation of Rev. James Ingram, as published in the Everyman edition.
Asser's Life of King Alfred, ch. 83, trans. Simon Keynes and Michael Lapidge, Alfred the Great: Asser's Life of King Alfred & Other Contemporary Sources (Penguin Classics) (1984), pp. 97–8.