Oblata per Gregorium refutat

Source: 
Budapest, Egyetemi Könyvtár (University Library), lat. 122
Folio: 
157v
Sequence: 
1
Feast: 
Clarae
Office/Mass: 
M
Genre: 
A
Position: 
2.1
Cantus ID: 
203617
Mode: 
4
Differentia: 
E1
Differentia database: 
1--h-g-h-jh-g-e--4 15c
Extra: 
a