Observa fili praecepta patris

Source: 
Roma, Biblioteca Vallicelliana, C.5
Folio: 
193v
Sequence: 
6
Feast: 
De Sapientia
Office/Mass: 
H
Genre: 
A
Position: 
7
Cantus ID: 
004101
Mode: 
6
Differentia: 
1
Differentia database: 
1--h-hg-f-gh-g-f--4 69i