Tu es Petrus*

Source: 
Gottschalk Antiphoner (fragments)
Folio: 
043r
Sequence: 
20
Feast: 
Cathedra Petri
Office/Mass: 
V
Genre: 
R
Cantus ID: 
007788
Mode: 
?
Differentia-Old: 
*
Addendum: 
B6r
Manuscript Reading Full Text (standardized spelling): 
Tu es Petrus*
Manuscript Reading Full Text (MS spelling): 
Tu es petrus