Nocte sub obscura fusa ad

Source: 
Zutphen, Stadsarchief en Stedelijke Bibliotheek, 6
Folio: 
219r
Sequence: 
5
Feast: 
Gudulae
Office/Mass: 
M
Genre: 
A
Position: 
2.1
Cantus ID: 
203266
Mode: 
4
Differentia: 
E1
Differentia database: 
1--h-g-h-k-g-e--4 41a