O vera summa sempiterna

Folio: 
096r
Sequence: 
3
Feast: 
Office/Mass: 
L
Genre: 
A
Position: 
4
Cantus ID: 
004087
Mode: 
4
Differentia-Old: 
5
Manuscript Reading Full Text (standardized spelling): 
O vera summa sempiterna unitas pater et filius spiritus sanctus