O vera summa sempiterna

Source: 
Cambrai, Bibliothèque municipale, Impr. XVI C 4
Folio: 
072v
Sequence: 
11
Feast: 
De Trinitate
Office/Mass: 
L
Genre: 
A
Position: 
4
Cantus ID: 
004087
Mode: 
4
Differentia: 
4
Differentia database: 
1--h-g-h-j-g-e--4 27a