1. Lockwood, Music in Renaissance Ferrara, 35.
2. Lockwood, Music in Renaissance Ferrara, 35, citing Ferrara, Biblioteca Comunale Ariostea, MS Cl. I, 456, f. 35v: pro collacione cantori domine Bertrandi et aliorum cantorum domini Marchois qui cantaverunt in coro die dominico.
3. See Lockwood L. , Music in Renaissance Ferrara: 1400–1505 (Oxford, 1984), 34.
4. For evidence of Feragut in Vicenza in 1409 See Mixter K.E. , ‘Feragut, Beltrame [Bertrand di Avignone]', The New Grove Dictionary of Music and Musicians (London, 1980), vi, 468.