Source:
Folio:
001v
Sequence:
4
Full text:
[Dum sa]crum mysterium cerneret Joannes archangelus M[ichael tuba cecinit ignosce] domine deus noster qui aperis librum et solvis [signacula ejus alleluia]
Feast:
Office:
V
Genre:
Position:
M
Cantus ID:
002469