Quaerite dominum dum inveniri potest

Folio: 
012v
Sequence: 
4
Office/Mass: 
E
Genre: 
A
Position: 
2
Cantus ID: 
004429
Mode: 
4
Differentia: 
ob
Manuscript Reading Full Text (standardized spelling): 
Quaerite dominum dum inveniri potest invocate eum dum prope est alleluia
Manuscript Reading Full Text (MS spelling): 
Querite dominum dum inveniri potest invocate eum dum prope est alleluia
Indexing notes: 
extra 'b' following differentia?