Dum sacrum mysterium cerneret Joannes

Source: 
Köln (Cologne), Erzbischöfliche Diözesan- und Dombibliothek, 215
Folio: 
132v
Sequence: 
6
Feast: 
Michaelis
Office/Mass: 
V
Genre: 
A
Position: 
M
Cantus ID: 
002469
Mode: 
?
Differentia: 
*
Manuscript Reading Full Text (standardized spelling): 
Dum sacrum mysterium cerneret Joannes archangelus Michael tuba cecinit ignosce domine deus noster qui aperis librum et solvis signacula ejus alleluia
Manuscript Reading Full Text (MS spelling): 
Dum sacrum misterium cerneret iohannes archangelus michael tuba cecinit ignosce domine deus noster qui aperis librum et solvis signacula eius alleluia