Qui operatus est Petro in

Source: 
Roma, Biblioteca Vallicelliana, C.5
Folio: 
223v
Sequence: 
8
Feast: 
Pauli
Office/Mass: 
M
Genre: 
A
Position: 
1.1
Cantus ID: 
004489
Mode: 
1
Differentia: 
4
Differentia database: 
1--h-h-g-f-gh-g--4 66d