1600 Chancellor, Robert, ‘Four lais of Marie de France: An Octosyllabic Verse Translation with Analysis’. Master's dissertation, Arizona State University, 2004.

1601 Cottille-Foley, Nora, ‘Unsettling the Axis of Power: Triangular Relationships in Marie de France, Annie Ernaux, and Maryse Condé’. PhD thesis, Northwestern University, 1998, DAI-A, 59 (1998–99), 1596.

1602 Gilmore, Gloria Thomas, ‘Tales that Textiles Tell in the Lais of Marie de France’. PhD thesis, University of Utah, 2002. DAI-A, 63 (2002–03), 964–65.

1603 Hatton, Caroline June, ‘Narrative lai and Verse Romance: Generations and Intergeneric Play’. PhD thesis, Yale University, 2004. DAI-A, 65 (2004–05), 924.

1604 Hopkins, Amanda, ‘Identity in the Narrative Breton Lay’. PhD thesis, University of Bristol, 1999.

1605 Hoyer-Millar, Eliza, ‘The Ambiguity of Marie de France's Chaitivel’. MPhil thesis, University of Liverpool, 2001.

1606 Jambeck, Kathy Anne Shaughnessy, ‘Sir Orfeo: A Study in Interpretive Contexts and Twelfth-Century French Generic Conventions’. PhD thesis, University of Connecticut, 1998, DAI-A, 59 (1998–99), 1565.

1607 Larson, Leah Jean, ‘Love, Troth, and Magnanimity: The Weltanschauung of the Breton Lay from Marie de France to Chaucer’. PhD thesis, University of Southwestern Louisiana, DAI-A, 57 (1996–97), 1610.

1608 Lhoste, Dimitri, ‘Le Don de l’anneau dans la littérature courtoise française du XIIe siècle (Marie de France, les poèmes français de Tristan et Iseut, Chrétien de Troyes)’. Mémoire de licence, Université Libre de Bruxelles, 1998–99.

1609 Lobato, Maria de Nazareth Corrêa Accioli, ‘Honra, leadade e félicões de poder para a nobreza e a realeza no Ysopet de Marie de France’. Doctoral thesis, Universidade Federal do Rio de Janeiro, 1995.

1610 Lorenz, Kathryn Mohler, ‘Writing the Werewolf: Metamorphosis in Medieval Literature’. PhD thesis, University of Cincinnati, 1991.

1611 Morosini, Roberta, ‘Le storie con personaggi umani nelle Fables di Maria di Francia’. Dissertation for the Italian Laurea, 1994 (see Le Cygne, 3, 1997, p. 78).

1612 Piguet, Thérèse E., ‘L’Ėpouse adultère dans les Lais de Marie de France’. Master's dissertation, Florida Atlantic University, 1994.