Avertantur retrorsum et

Source: 
Stuttgart, Württembergische Landesbibliothek, HB.I.55
Marginalia: 
4
Folio: 
073r
Sequence: 
10
Feast: 
Fer. 5 in Cena Dom.
Office/Mass: 
M
Genre: 
A
Position: 
1.2
Cantus ID: 
001547
Mode: 
7
Differentia: 
yg
Differentia database: 
1--l-l-m-l-k-j--4 142a
Extra: 
yc