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

Een cleyn parable

ballade by Martinus Fabri

Leiden: Universiteitsbibliotheek B.P.L. 2720, fol. 10v (2/2) (Cantus I and II, incomplete, illegible).

BERGER, Christian. Hexachord, Mensur und Textstruktur, Stuttgart: Franz Steiner, 1992, pp. 41, 168.