Data est potestas apostolis

Source: 
Aosta, Seminario Maggiore - Biblioteca, 6
Folio: 
105v
Sequence: 
6
Feast: 
Simonis, Judae
Office/Mass: 
M
Genre: 
A
Position: 
2.1
Cantus ID: 
205353
Mode: 
4
Differentia: 
E5
Differentia database: 
1--h-g-h-jH-gf-e--4 34a