Acceleratur ratio in puero

Source: 
Zutphen, Stadsarchief en Stedelijke Bibliotheek, 6
Folio: 
200r
Sequence: 
6
Feast: 
Visitatio Mariae
Office/Mass: 
V
Genre: 
A
Position: 
M
Cantus ID: 
200059
Mode: 
6
Differentia: 
F1
Differentia database: 
1--h-h-f-gh-g-f--4 7a