Ad haec sanctus Silvester ait

Source: 
Roma, Biblioteca Vallicelliana, C.5
Folio: 
049v
Sequence: 
4
Feast: 
Silvestri
Office/Mass: 
L
Genre: 
A
Position: 
4
Cantus ID: 
001242
Mode: 
8
Differentia: 
4
Differentia database: 
1--k-k-j-k-h-gh--4 119a