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

Conserva domine in ea... Gloria patri

Two-voice anonymous verse

Graz: Universitätsbibliothek III. 29 and 30, number 22 (2/2) (n30, fol. 112-112v).

ZIINO, Agostino. 'Laudi e miniature fiorentine del primo Trecento', Studi musicali, VII (1978), plate 8b ([Antwerp (incipit)]).