Reddit mentions of Marie de France: Poetry (First Edition) (Norton Critical Editions)

For a more 'Medieval Literature' folklore focus:

• Broadview Anthology of Medieval Literature
  
• Beowulf, translation by Seamus Heaney
  
• L'Morte De Arthur, Sir Thomas Mallory
  
• Idylls of the King, Alfred Lord Tennyson
  
• The Gawain Poet (including Sir Gawain and the Green Knight)
  
• Edmund Spenser's Poetry, including The Faerie Queen
  
• Marie De France's Poetry
  
• The Canterbury Tales
  
  If you'd like actual fiction/novel recommendations, I'm happy to give those as well! Just say the word.