Thomas qui dicitur Didymus

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
068v
Sequence: 
25
Feast: 
Fer. 2 p. Oct.Pasch.
Office/Mass: 
L
Genre: 
A
Position: 
B
Cantus ID: 
005144
Mode: 
1
Differentia: 
1
Differentia database: 
1--h-h-g-f-gh-g--4 66d
Addendum: 
P: 137