O vera summa*

Source: 
Cambrai, Bibliothèque municipale, 38 (olim 40)
Folio: 
162v
Sequence: 
7
Feast: 
De Regum
Office/Mass: 
S
Genre: 
A
Cantus ID: 
004086
Mode: 
3
Differentia: 
*
Manuscript Reading Full Text (standardized spelling): 
O vera summa*
Manuscript Reading Full Text (MS spelling): 
O vera summa