Abrahae fit promissio quod illius

Source: 
Engelberg, Benediktinerkloster - Stiftsbibliothek, Cod. 103
Folio: 
076v
Sequence: 
20
Feast: 
Conceptio Mariae
Office/Mass: 
M
Genre: 
A
Position: 
2.1
Cantus ID: 
200045
Mode: 
7
Differentia: 
3
Manuscript Reading Full Text (standardized spelling): 
Abrahae fit promissio quod illius successio velut harena cresceret stellisque aequalis fieret
Manuscript Reading Full Text (MS spelling): 
Abrahe fit promissio quod illius successio velut arena cresceret stellisque equalis fieret