Gregorius ut creditur

Source: 
Wien, Diözesanarchiv, D-4
Folio: 
174r
Sequence: 
4
Feast: 
Gregorii
Office/Mass: 
V
Genre: 
A
Position: 
p
Cantus ID: 
002983
Mode: 
4
Differentia: 
E2
Differentia database: 
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