Pro eo quod non credidisti

Source: 
Rouen, Bibliothèque municipale, 248 (olim A. 339)
Marginalia: 
R
Folio: 
035r
Sequence: 
10
Feast: 
Joannis Baptistae
Office/Mass: 
V2
Genre: 
A
Position: 
2
Cantus ID: 
004382
Mode: 
6
Differentia: 
F1
Differentia database: 
1--h-h-f-gh-g-f--4 7a