O Gregori dulcissimum sancti

Source: 
Praha (Prague), Národní knihovna České republiky (National Library), VI.E.4c
Folio: 
165r
Sequence: 
5
Feast: 
Gregorii
Office/Mass: 
V2
Genre: 
A
Position: 
M
Cantus ID: 
004031
Manuscript Reading Full Text (standardized spelling): 
O Gregori dulcissimum sancti spiritus organum atque virtutum speculum posce nobis suffragium ut hoc possimus consequi Quo te gaudemus perfrui