La Trobe University - Library: Medieval Music Database - Annual cycle of feasts of liturgical chant, liturgical polyphony and secular music of the late middle ages.

Ave virgo virginuum verbi dei cella

Two-voice anonymous liturgical work

Bamberg: Staatliche Bibliothek, Theol. 74 (olim P.VI.19), fol. 2-2v (2/2).

HANDSCHIN, Jacques. 'Angelomontana polyphonica', Schweizerisches Jahrbuch für Musikwissenschaft, III (1928): 64-96.