O quam metuendus*

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
225r
Sequence: 
4
Feast: 
In Dedicat. Eccl.,8
Office/Mass: 
V2
Genre: 
A
Position: 
R
Cantus ID: 
004065
Mode: 
*
Addendum: 
P: 320