Beatus Gregorius ab anglorum

Source: 
Istanbul, Topkapı Sarayı Müzesi, Deissmann 42
Folio: 
164v
Sequence: 
1
Feast: 
Gregorii
Office/Mass: 
V
Genre: 
A
Cantus ID: 
001630
Mode: 
1
Differentia: 
G2
Differentia database: 
1--h-h-hg-gf-gh-g--4 66r