Petrus quidem servabatur in

Source: 
Cambridge, University Library, Mm.ii.9
Folio: 
465
Sequence: 
6
Feast: 
Vincula Petri
Office/Mass: 
M
Genre: 
A
Position: 
1.3
Cantus ID: 
004286
Mode: 
4
Differentia: 
3
Differentia database: 
1--h-g-h-jh-gfe-ef--4 21c