Missus est Gabriel angelus ad

Source: 
Paris, Bibliothèque nationale de France - Département des Manuscrits, NAL 1535
Folio: 
015r
Sequence: 
11
Feast: 
Fer. 4 Hebd. 4 Adv.
Office/Mass: 
L
Genre: 
A
Position: 
2B
Cantus ID: 
003794
Mode: 
8
Differentia: 
3
Differentia database: 
1--k-k-j-k-h-ghg--4 120a