Six Middle English Verse Romances (ed.) M. Mills (Everyman) repr. 1983
Middle English Verse Romances. (ed.) D. Sands (Exeter Medieval Texts) repr. 1988
French and Hale: Medieval Metrical Romance (2 vols) (1930)
AV.C. Schmidt and N.Jacobs: Middle English Verse Romances (1980) 2 vols.

Read at least: Sir Orfeo, Sir Launfal, Sir Gowther, Sir Degaré, Emaré, The Squire of Low Degree and Havelok.

W. Barron: English Medieval Romance (Longman 1987)
P. Boitani: English Medieval Narrative in the 13th and 14th Centuries ch. 3. (Cambridge,1986)

**Helen Cooper, The English Romance in Time: Transforming Motifs from Geoffrey of
Monmouth to the Death of Shakespeare (OUP, 2004)
Roger Dalrymple, Language and Piety in Middle English Romance (Cambridge, Boydell and Brewer, 2001)

Rosalind Field, ed. Tradition and Transformation in Medieval Romance (Cambridge, 1999)
Philippa Hardman, ed., The Matter of Identity in Medieval Romance (Woodbridge, 2002)

<>Roberta L. Krueger, ed. Cambridge Companion to Medieval Romance (Cambridge, 2000)
Ad Putter and Jane Gilbert, eds., The Spirit of Medieval English Popular Romance (Longman, 1999)
Judith Weiss, Jennifer Fellows and Morgan Dickson, eds., Medieval Insular Romance: Translation and Innovation (Cambridge: Boydell and Brewer, 2001)

J. Stevens: Medieval Romance: Themes and Approaches (London: 1973)

D. Brewer: 'The Nature of Romance' Poetica 10 (1978), 9-48.
K. Hume: 'The Formal Nature of Medieval Romance' in Philological Quarterly 53 (1974), 158-80.
S. Wittig: Stylistics and Narrative Structures in the Middle English Romances
*S. Knight: "The Social Function of the Middle English Romance" in D. Aers (ed.) Medieval Literature: Criticism, Ideology and History. (1986)

link to:Jonathan Glenn's notes on Middle English romance