Observa fili mi praecepta patris

Folio: 
246v
Sequence: 
1
Feast: 
Office/Mass: 
V
Genre: 
A
Position: 
1M
Cantus ID: 
007416zb
Mode: 
8
Differentia database: 
Manuscript Reading Full Text (standardized spelling): 
Observa fili mi praecepta patris tui et ne dimittas legem matris tue liga ea in corde ...