De necessitatibus nostris

Source: 
Praha (Prague), Národní knihovna České republiky (National Library), VI.E.4c
Folio: 
125r
Sequence: 
4
Feast: 
Sabbato per annum
Office/Mass: 
M
Genre: 
A
Position: 
2.2
Cantus ID: 
002114
Manuscript Reading Full Text (standardized spelling): 
De necessitatibus nostris libera nos domine