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
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