Haec est virgo sancta atque

Source: 
Cambridge, University Library, Mm.ii.9
Folio: 
667
Sequence: 
8
Feast: 
Comm. plurimorum Virginum
Office/Mass: 
L
Genre: 
A
Position: 
3
Cantus ID: 
003015
Mode: 
7
Differentia: 
1
Differentia database: 
1--l-l-m-l-k-jh--4 143b
Extra: 
5 b