The Romance of Tristan: The Tale of Tristan's Madness (Beroul, trans. Fedrick)
The Mabinogion (Anon., trans. Gantz)
King Arthur & His Knights (Malory)
Beowulf (trans. Seamus Heaney)
Sir Gawain and the Green Knight, Patience, and Pearl (Anon., trans. Boroff)
The Lais of Marie de France (ed. Glyn Burgess)
The Saga of the Volsungs (ed. Byock)
The Inferno (Dante, ed. Mandelbaum)
The Canterbury Tales (Chaucer, ed. Hieatt and Hieatt)
Other works in PDF (on webpage):
Old English Poetry: The Wanderer, Wife's Lament, Dream of the Rood, Ruin , Riddles
Old English Poetry: Seafarer
Chaucer: The Miller's Tale
Chaucer: The Franklin's Tale