Ego sum ostium dicit dominus

Source: 
Kraków, Klastor OO. Karmelitów na Piasku (Carmelite Convent), Ms.1 (rkp. Perg. 12)
Marginalia: 
P
Folio: 
391
Sequence: 
3
Feast: 
Fer. 3 Pent.
Office/Mass: 
V2
Genre: 
A
Position: 
M
Cantus ID: 
002593
Mode: 
8
Differentia: 
G01
Differentia database: 
1--k-k-j-k-h-g--4 118a
Addendum: 
190