↑ Henri Louis Chatelain Recherches sur le vers français au XVe siècle: rimes, mètres et... 1908 p197 "Le virelai n'est plus alors que la bergerette, c'est-à-dire un rondeau, dont le deuxième élément est sur d'autres... Charles d'Orléans a laissé une pièce qui réunit les caractères du rondeau et de la bergerette"
↑ The Chansonnier El Escorial IV.a.24 Real Biblioteca, Martha K. Hanen - 1983 "The Virelai Texts - A virelai text which has but a single stanza is properly termed a bergerette. All the virelais in Escorial IV.a.24 have single-stanza or bergerette texts. Since the music for a virelai is exactly the same as that for a..."
↑ Music Literature Outline 1: Outline 1, Middle Ages and Renaissance p96 Harold Gleason, Warren Becker, Catherine C. Gleason - 1988 "Chanson is a generic term and includes the formes fixes: rondeau, virelai, ballade and bergerette.... The bergerette, developed by Burgundian composers, is similar to the virelai but with only one stanza.