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

Iste confessor

monophonic anonymous motet

Sources

Cambridge: University Library, Additional 4435 (12a-d), number c (1/1).

Literature

BESSELER, Heinrich and Peter GÜLKE. Schriftbild der mehrstimmigen Musik, Leipzig: Deutscher Verlag für Musik, 1973. Musikgeschichte in Bildern, vol. 3, part 5, pp. 82-88.