Tria sunt*

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (facsimile)
Folio: 
056
Sequence: 
22
Feast: 
Epiphania
Office/Mass: 
N
Genre: 
A
Cantus ID: 
005181
Mode: 
*
Addendum: 
028r
Manuscript Reading Full Text (standardized spelling): 
Tria sunt*
Manuscript Reading Full Text (MS spelling): 
Tria sunt