Adveniente Petro

Source: 
Roma, Biblioteca Vallicelliana, C.5
Folio: 
091v
Sequence: 
3
Feast: 
Cathedra Petri
Office/Mass: 
M
Genre: 
A
Position: 
1.5
Cantus ID: 
001295
Mode: 
5
Differentia: 
1
Differentia database: 
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