Qui dum esset summus*

Source: 
Wien, Österreichische Nationalbibliothek - Musiksammlung, 1890
Folio: 
278v
Sequence: 
16
Feast: 
Callisti
Office/Mass: 
L
Genre: 
A
Position: 
B
Cantus ID: 
002451
Mode: 
*
Manuscript Reading Full Text (standardized spelling): 
Qui dum esset summus*
Manuscript Reading Full Text (MS spelling): 
Qui dum esset summus