Considerabam*

Source: 
Paris, Bibliothèque nationale de France - Département des Manuscrits, Latin 1085
Marginalia: 
A
Folio: 
056r
Sequence: 
20
Feast: 
Fer. 5 in Cena Dom.
Office/Mass: 
V
Genre: 
A
Position: 
5
Cantus ID: 
001891
Mode: 
7*
Differentia: 
*