Memor esto fili quoniam

Source: 
Praha (Prague), Strahovská knihovna (Library of the Royal Canonry of Premonstratensians at Strahov), DE I 7
Folio: 
276r
Sequence: 
1
Feast: 
De Tobia
Office/Mass: 
M
Genre: 
R
Position: 
1.3
Cantus ID: 
007145
Mode: 
7
Manuscript Reading Full Text (standardized spelling): 
Memor esto fili quoniam pauperem vitam gerimus habebis multa bona si timueris deum