Gregorius ut creditur

Source: 
Stuttgart, Württembergische Landesbibliothek, HB.I.55
Marginalia: 
4
Folio: 
041v
Sequence: 
5
Feast: 
Gregorii
Office/Mass: 
M
Genre: 
A
Position: 
1.4
Cantus ID: 
002983
Mode: 
4
Differentia: 
oc
Differentia database: 
1--h-g-h-jH-gf-e--4 34a
Extra: 
oc