Haec virgo sancta atque

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
282v
Sequence: 
2
Feast: 
Comm. unius Virginis non Martyris
Office/Mass: 
V2
Genre: 
A
Position: 
R
Cantus ID: 
003015
Mode: 
2
Differentia: 
1
Differentia database: 
1--f-f-f-e-cd-d--4 152c
Addendum: 
P: 435