Verax est pater veritas

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
079v
Sequence: 
12
Feast: 
De Trinitate
Office/Mass: 
M
Genre: 
A
Position: 
2.2
Cantus ID: 
005358
Mode: 
8
Differentia: 
2
Differentia database: 
1--k-k-h-k-l-k--4 99d
Addendum: 
P: 159