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

Medieval Music Database

London, British Library, Additional 57950 (olim Old Hall, Library of St. Edmund's College)
Modena, Biblioteca Estense e Universitaria, a. X.1.11 (Lat. 471; @olim* VI.H.15) - not catalogued here.
Oxford, Bodleian Library, University College 192
Trent, Castel del Buon Consiglio 90 - not catalogued here.
Trent, Castel de Buon Consiglio 93 - not catalogued here.