Dominus tamquam ovis ad occisionem

Source: 
Praha (Prague), Strahovská knihovna (Library of the Royal Canonry of Premonstratensians at Strahov), DE I 7
Folio: 
157v
Sequence: 
6
Feast: 
Fer. 5 in Cena Dom.
Office/Mass: 
L
Genre: 
A
Position: 
2
Cantus ID: 
002422
Mode: 
2
Differentia: 
D1
Differentia database: 
1--f-f-f-f-cd-d--4 150e
Manuscript Reading Full Text (standardized spelling): 
Dominus tamquam ovis ad occisionem ductus est et non aperuit os suum