Erat enim in sermone verax

Source: 
Firenze (Florence), Arcivescovado - Biblioteca, s.c.
Folio: 
045r
Sequence: 
2
Feast: 
Fabiani, Sebastiani
Office/Mass: 
M
Genre: 
A
Position: 
2.1
Cantus ID: 
002653
Mode: 
8
Differentia: 
2
Differentia database: 
1--k-k-h-k-l-k--4 99d