Haec ejus prima gratia quod

Source: 
Kraków, Klastor OO. Karmelitów na Piasku (Carmelite Convent), Ms.1 (rkp. Perg. 12)
Folio: 
226
Sequence: 
3
Feast: 
Ludmillae
Office/Mass: 
L
Genre: 
A
Position: 
4
Cantus ID: 
205764
Mode: 
4
Differentia: 
E02
Differentia database: 
1--h-g-h-j-g-e--4 27a