Dixit autem angelus ad Petrum

Source: 
Vercelli, Biblioteca Capitolare, CLXX
Folio: 
117v
Sequence: 
9
Feast: 
Cathedra Petri
Office/Mass: 
L
Genre: 
A
Position: 
3
Cantus ID: 
002268
Mode: 
8
Differentia: 
c
Differentia database: 
1--k-k-h-k-l-k--4 99d
Manuscript Reading Full Text (standardized spelling): 
Dixit autem angelus ad Petrum circumda te vestimentum tuum et sequere me