De sub cujus pede fons

Source: 
Rouen, Bibliothèque municipale, 248 (olim A. 339)
Folio: 
125r
Sequence: 
10
Feast: 
Clementis
Office/Mass: 
M
Genre: 
A
Position: 
1.5
Cantus ID: 
002122
Mode: 
7
Differentia: 
C1
Differentia database: 
1--l-l-m-l-k-jk--4 144a