Fratres existimo enim quod

Source: 
Paris, Bibliothèque nationale de France - Département des Manuscrits, NAL 1535
Folio: 
029v
Sequence: 
4
Feast: 
Dom. per annum
Office/Mass: 
V
Genre: 
A
Position: 
2M
Cantus ID: 
002898
Mode: 
8
Differentia: 
3
Differentia database: 
1--k-k-j-k-h-ghg--4 120a