Exiens Petrus apostolus

Source: 
Firenze (Florence), Arcivescovado - Biblioteca, s.c.
Folio: 
147r
Sequence: 
5
Feast: 
Petri
Office/Mass: 
M
Genre: 
A
Position: 
3.2
Cantus ID: 
002787
Mode: 
1
Differentia: 
1
Differentia database: 
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