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

... nis vitia mundes

anonymous cantilena

Sources

York: Borthwick Institute of Historical Research 2, fol. 1 (3/3).

Facsimiles

English Fourteenth-Century Polyphony: Facsimile Edition of Sources Notated in Score, edited by William J. Summers, Tutzing: H. Schneider, 1983. Münchner Editionen zur Musikgeschichte IV, plate 208.