Haec est generatio

Source: 
Aosta, Seminario Maggiore - Biblioteca, 6
Folio: 
124v
Sequence: 
5
Feast: 
Comm. plurimorum Martyrum
Office/Mass: 
M
Genre: 
A
Position: 
3.2
Cantus ID: 
002999
Mode: 
3
Differentia: 
A2
Differentia database: 
1--k-k-kj-hj-h-gh--4 102c