Tetradius cognita dei virtute

Folio: 
143v
Sequence: 
8
Feast: 
Office/Mass: 
M
Genre: 
A
Position: 
2.2
Cantus ID: 
005141
Mode: 
7?
Differentia-Old: 
?
Manuscript Reading Full Text (standardized spelling): 
Tetradius cognita dei virtute ad baptismi --