Ecce video caelos apertos et

Source: 
Kraków, Klastor OO. Karmelitów na Piasku (Carmelite Convent), Ms.2 (rkp. Perg. 14)
Folio: 
054v
Sequence: 
2
Feast: 
Stephani
Office/Mass: 
L
Genre: 
A
Position: 
5
Cantus ID: 
002554
Mode: 
7
Differentia: 
A01a
Differentia database: 
1--l-l-m-l-k-jh--4 143b
Addendum: 
121