Nativitas est hodie sanctae

Source: 
Kraków, Klastor OO. Karmelitów na Piasku (Carmelite Convent), Ms.3 (rkp. Perg. 15)
Folio: 
148r
Sequence: 
4
Feast: 
Nativitas Mariae
Office/Mass: 
M
Genre: 
A
Position: 
3.1
Cantus ID: 
003848
Mode: 
7
Differentia: 
A01
Differentia database: 
1--l-l-m-l-k-jh--4 143b
Addendum: 
248