Da nobis domine auxilium de

Source: 
Roma, Biblioteca Vallicelliana, C.5
Folio: 
063v
Sequence: 
10
Feast: 
Fer. 4 per annum
Office/Mass: 
M
Genre: 
A
Position: 
1.1
Cantus ID: 
002089
Mode: 
2
Differentia: 
1
Differentia database: 
1--f-f-f-ed-cd-d--4 153e