O pastor aeterne o clemens

Source: 
Aachen (Aix-la-Chapelle), Domarchiv, G 20
Folio: 
222v
Sequence: 
3
Feast: 
Nicolai
Office/Mass: 
V
Genre: 
A
Position: 
M
Cantus ID: 
004051
Mode: 
1
Differentia: 
G1
Differentia database: 
1--h-h-g-f-gh-gg--4 66i
Extra: 
009v
Indexing notes: 
unreadable rubric in a younger hand in the left margin