Pontificalis apex veneratur

Source: 
Cambridge, University Library, Mm.ii.9
Folio: 
412
Sequence: 
15
Feast: 
Cathedra Petri
Office/Mass: 
M
Genre: 
A
Position: 
1.1
Cantus ID: 
203859
Mode: 
1
Differentia: 
5
Differentia database: 
1--h-h-g-f-g-gfed--4 75d
Extra: 
4