Angelus domini astitit et

Source: 
Roma, Biblioteca Vallicelliana, C.5
Folio: 
092v
Sequence: 
1
Feast: 
Cathedra Petri
Office/Mass: 
M
Genre: 
A
Position: 
2.5
Cantus ID: 
001411
Mode: 
4
Differentia: 
3
Differentia database: 
1--h-g-h-jh-gf-e--4 19a