Title: CSM 34 a) JOHANNES DICTUS BALLOCE, Abreviatio Magistri Franconis, Edited by Gilbert Reaney; B) ANONYMOUS, Compendium Musicae Mensurabilis Artis Antiquae, Edited by Gilbert Reaney; C) ANONYMOUS, Compendium Musicae Mensurabilis Artis Antiquae, Edited by Hei