V-CVbav-ms-Capp.Sist.15: Eya ergo advocata: [Superius] and [Contratenor]: 'Duo' / Et Iesum benedictum: [Superius]: canon
Bibliography
Kempson 1998 Emma Clare Kempson, 'The Motets of Henricus Isaac (c.1450-1517): Transmission, Structure and Function' (Ph.D. diss., King's College, London, 1998). 63-64