Istorum est enim regnum

Source: 
Rouen, Bibliothèque municipale, 248 (olim A. 339)
Folio: 
155r
Sequence: 
1
Feast: 
Comm. plurimorum Martyrum
Office/Mass: 
M
Genre: 
A
Position: 
2.4
Cantus ID: 
003451
Mode: 
8
Differentia: 
G1
Differentia database: 
1--k-k-j-k-h-g--4 118a