Elevamini portae aeternales

Source: 
Rome, Santa Sabina, XIV L1 ("Humbert" codex)
Folio: 
237v
Sequence: 
13
Feast: 
Octava Nat. Domini
Office/Mass: 
M
Genre: 
A
Position: 
1.3
Cantus ID: 
002631
Mode: 
5
Manuscript Reading Full Text (standardized spelling): 
Elevamini portae aeternales et introibit rex gloriae