O quam metuendus*

Source: 
Paris, Bibliothèque nationale de France - Département des Manuscrits, Latin 1085
Folio: 
065r
Sequence: 
17
Feast: 
In Dedicatione Eccl.
Office/Mass: 
V
Genre: 
A
Position: 
M
Cantus ID: 
004065
Mode: 
6*
Differentia: 
*