>Margaret Felberg-Levitt, Dialogues in Verse and Prose. The «Demandes d'amour», 1991 : p. 33 - 44
>RICHARD FIRTH GREEN, «Le Roi qui ne ment» and Aristocratic Courtship, Courtly literature. Culture and Context. Selected papers from the 5th Triennial Congress of the Intern Courtly Lit Soc, 9-16 Aug 1986, Utrecht publications in general and comparative, l, Amsterdam; Philadelphia, John Benjamins, 1990 : p. 211 - 225