Hoc ergo signum clementiae

Source: 
Praha (Prague), Strahovská knihovna (Library of the Royal Canonry of Premonstratensians at Strahov), DE I 7
Folio: 
097r
Sequence: 
2
Feast: 
Dom. Sexagesimae
Office/Mass: 
M
Genre: 
V
Position: 
01
Cantus ID: 
602530b
Mode: 
8
Manuscript Reading Full Text (standardized spelling): 
Hoc ergo signum clementiae dei columba in ore suo