Ego daemonium non habeo sed

Source: 
Wolfenbüttel, Herzog August Bibliothek - Cod. Guelf. 29 Helmst. (Heinemann-Nr. 32)
Folio: 
091r
Sequence: 
6
Feast: 
Dom. de Passione
Office/Mass: 
P
Genre: 
A
Cantus ID: 
002570
Mode: 
8
Differentia: 
C1
Differentia database: 
1--k-k-h-k-l-k--4 99d
Indexing notes: 
differentia is at a different staff position (clef missing?);