Congregate sunt gentes in

Source: 
Chicago, Newberry Library, 24
Folio: 
156v
Sequence: 
17
Feast: 
De Machabaeis
Office/Mass: 
V2
Genre: 
A
Position: 
11M
Cantus ID: 
205384
Mode: 
1
Differentia: 
?
Addendum: 
Per Hebd.