Ad quantam vero messem divina

Source: 
Rouen, Bibliothèque municipale, 248 (olim A. 339)
Folio: 
132r
Sequence: 
2
Feast: 
Nicolai
Office/Mass: 
M
Genre: 
A
Position: 
1.6
Cantus ID: 
001251
Mode: 
3
Differentia: 
A3
Differentia database: 
1--k-k-kj-hj-hg-gh--4 102a