Masses and responsories from choirboy 1510, BSB Mus ms. 66
among others:
Mouton Missa regina mearum; Missa Alleluia
http://daten.digitale-sammlungen.de/~db/0007/bsb00079133/images/
among others:
Mouton Missa regina mearum; Missa Alleluia
http://daten.digitale-sammlungen.de/~db/0007/bsb00079133/images/