Aperiam in parabolis os meum

Source: 
Einsiedeln, Stiftsbibliothek, Codex 121
Folio: 
217
Sequence: 
1
Feast: 
Fer. 4 p. Pascha
Office/Mass: 
MI
Genre: 
OfV
Position: 
02
Cantus ID: 
g01030b
Mode: 
?
Manuscript Reading Full Text (standardized spelling): 
Aperiam in parabolis os meum loquar propositiones ab initio saeculi
Manuscript Reading Full Text (MS spelling): 
Aperiam in parabolis os meum loquar propositiones ab initio saeculi