scribal concordance [26], Alamire B (possibly Martin Bourgeois)

Sources copied	Source Copyist Type V-CVbav MS Chigi C.VIII.234 (Chigi Codex) Text and Music B-Br MS 9126 Text and Music I-Fc MS Basevi 2439 (Basevi Codex) Text and Music GB-Ob MS. Ashmole 831 Text and Music I-VEc MS DCCLVI Text and Music