Sedes tua deus in saeculum

Source: 
Arras, Bibliothèque municipale, 893 (olim 465)
Folio: 
091v
Sequence: 
8
Feast: 
Fer. 3 per annum
Office/Mass: 
M
Genre: 
R
Position: 
1.3
Cantus ID: 
007634
Mode: 
1