Erat quidam*

Marginalia: 
R
Folio: 
278r
Sequence: 
3
Feast: 
Office/Mass: 
V
Genre: 
A
Position: 
M
Cantus ID: 
201588
Mode: 
*
Addendum: 
XVI
Manuscript Reading Full Text (standardized spelling): 
Erat quidam*