Justus et sanctus deus noster

Source: 
Montecassino, Monumento Nazionale di Montecassino - Biblioteca, 542
Folio: 
068
Sequence: 
9
Feast: 
Sabbato per annum
Office/Mass: 
L
Genre: 
A
Position: 
4
Cantus ID: 
003546
Mode: 
4
Differentia: 
A
Differentia database: 
1--h-h-h-hjh-gg-e--4 254a