Iste est qui pro lege

Source: 
Piacenza, Basilica di S. Antonino - Biblioteca e Archivio Capitolari, 65
Folio: 
428r
Sequence: 
7
Feast: 
Comm. unius Martyris
Office/Mass: 
L
Genre: 
A
Position: 
B
Cantus ID: 
003428
Mode: 
6T
Differentia: 
1
Differentia database: 
1--m-ml-k-lm-l-k--4 T69i