Ave beatissima civitas

Source: 
Aachen (Aix-la-Chapelle), Domarchiv, G 20
Folio: 
289v
Sequence: 
2
Feast: 
De BMV
Office/Mass: 
E
Genre: 
A
Cantus ID: 
200447
Mode: 
4
Differentia: 
E1
Differentia database: 
1--h-g-h-k-gf-e--4 47a
Extra: 
076v
Indexing notes: 
rubric unclear; the bottom half of f. 289v has been left blank.