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

Medieval Music Database - Browse By Manuscript

Manuscripts containing works by Johannes Suzoy

Apt, Cathédrale Sainte-Anne, Bibliothèque du Chapitre, 16bis
Chantilly, Bibliothèque du Musée Condé 564
Utrecht, Universiteitsbibliotheek 1846 (shelfmark 6 E 37)