Ego sum qui testimonium perhibeo

Source: 
Praha (Prague), Strahovská knihovna (Library of the Royal Canonry of Premonstratensians at Strahov), DE I 7
Folio: 
142r
Sequence: 
2
Feast: 
Dom. de Passione
Office/Mass: 
V
Genre: 
A
Position: 
M
Cantus ID: 
002600
Mode: 
8
Differentia: 
G2
Differentia database: 
1--k-k-j-k-h-g--4 118a
Manuscript Reading Full Text (standardized spelling): 
Ego sum qui testimonium perhibeo de meipso et testimonium perhibet de me qui misit me pater