>Ernest H. Sanders, French and English Polyphony of the 13th and 14th Centuries : Style and Notation : [recueil d'articles] Ernest H. Sanders., Variorum Collected Studies Series, Farnham, Ashgate, 1998
>Anna Zayaruznaya, (I)ntroitus : Untexted beginnings and scribal confusion in the Machaut and Ivrea Manuscripts, Digital Philology. A Journal of Medieval Cultures, 5/1, 2016 : p. 47-73