Cum esset rex in accubitu

Source: 
Zutphen, Stadsarchief en Stedelijke Bibliotheek, 6
Folio: 
210r
Sequence: 
1
Feast: 
Mariae ad Nives
Office/Mass: 
V
Genre: 
A
Position: 
1
Cantus ID: 
002450
Mode: 
3
Differentia: 
A1
Differentia database: 
1--k-k-k-h-k-kh--4 89b