Custodi me a laqueo quem

Source: 
Istanbul, Topkapı Sarayı Müzesi, Deissmann 42
Folio: 
088r
Sequence: 
1
Feast: 
Fer. 5 in Cena Dom.
Office/Mass: 
V2
Genre: 
A
Position: 
4
Cantus ID: 
002082
Mode: 
7
Differentia: 
A1
Differentia database: 
1--l-l-m-l-k-jh--4 143b