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

Gloria, armonizabit

anonymous

Utrecht: Universiteitsbibliotheek 1846 (shelfmark 6 E 37), fol. IIIAv (2/2) (Tenor incomplete).

LEFFERTS, Peter M. The Motet in England in the Fourteenth Century, Ann Arbor: UMI Research Press, 1986, pp. 86, 331/n89.