A porta inferi*

Source: 
Köln (Cologne), Erzbischöfliche Diözesan- und Dombibliothek, 215
Folio: 
205v
Sequence: 
7
Feast: 
Pro defunctis
Office/Mass: 
L
Genre: 
A
Position: 
4
Cantus ID: 
001191
Mode: 
*
Addendum: 
Ezechias
Manuscript Reading Full Text (standardized spelling): 
A porta inferi*
Manuscript Reading Full Text (MS spelling): 
A porta inferi | ~Ego dixi indimidio
Indexing notes: 
these have been taken as alternates, considering the placement of the canticle incipit;