Da nobis domine auxilium de

Source: 
Köln (Cologne), Erzbischöfliche Diözesan- und Dombibliothek, 215
Folio: 
238r
Sequence: 
1
Feast: 
Fer. 4 per annum
Office/Mass: 
M
Genre: 
A
Position: 
4
Cantus ID: 
002089
Mode: 
2
Differentia: 
*
Manuscript Reading Full Text (standardized spelling): 
Da nobis domine auxilium de tribulatione
Manuscript Reading Full Text (MS spelling): 
Da nobis domine auxilium de tribulatione
Indexing notes: 
is that a differentia in the R margin in a later hand?;