Iste puer magnus est ut

Marginalia: 
T
Folio: 
083
Sequence: 
3
Office/Mass: 
X
Genre: 
A
Position: 
2
Cantus ID: 
206499
Mode: 
?
Differentia: 
*
Manuscript Reading Full Text (standardized spelling): 
Iste puer magnus est ut deus afferis agnus
Manuscript Reading Full Text (MS spelling): 
Iste puer magnus est ut deus afferis agnus
Indexing notes: 
what is this chant? in the same hand as the top of pp. 71 and 76;