O vera summa sempiterna trinitas

Folio: 
132r
Sequence: 
14
Feast: 
Office/Mass: 
L
Genre: 
A
Position: 
3
Cantus ID: 
004086
Mode: 
3?
Differentia: 
39a
Differentia database: 
Manuscript Reading Full Text (standardized spelling): 
O vera summa sempiterna trinitas pater et filius et spiritus sanctus