Unus autem ex illis ut

Source: 
Firenze (Florence), Arcivescovado - Biblioteca, s.c.
Marginalia: 
:
Folio: 
237v
Sequence: 
3
Feast: 
Dom. 15 p. Pent.
Office/Mass: 
V2
Genre: 
A
Position: 
M
Cantus ID: 
005276
Mode: 
1
Differentia: 
9
Differentia database: 
1--h-h-g-f-g-h--4 64b