O admirabile commercium

Source: 
Rome, Santa Sabina, XIV L1 ("Humbert" codex)
Folio: 
238r
Sequence: 
16
Feast: 
Octava Nat. Domini
Office/Mass: 
L
Genre: 
A
Position: 
1
Cantus ID: 
003985
Mode: 
6
Manuscript Reading Full Text (standardized spelling): 
O admirabile commercium creator generis humani animatum corpus sumens de virgine nasci dignatus est et procedens homo sine semine largitus est nobis suam deitatem