Qui operatus est Petro in

Source: 
Monza, Basilica di S. Giovanni Battista - Biblioteca Capitolare e Tesoro, 15/79
Marginalia: 
2
Folio: 
227r
Sequence: 
6
Feast: 
Pauli
Office/Mass: 
M
Genre: 
A
Position: 
1.1
Cantus ID: 
004489
Mode: 
1
Differentia: 
1
Differentia database: 
1--h-h-g-f-gh-g--4 66d