O vera summa sempiterna trinitas

Folio: 
179v
Sequence: 
9
Feast: 
Office/Mass: 
L
Genre: 
A
Position: 
3
Cantus ID: 
004086
Mode: 
3
Differentia: 
5
Differentia database: 
Manuscript Reading Full Text (standardized spelling): 
O vera summa sempiterna trinitas pater et filius et spiritus sanctus