Laeva ejus sub capite meo

Source: 
Firenze (Florence), Biblioteca Medicea-Laurenziana, Conv. sopp. 560
Folio: 
201r
Sequence: 
8
Feast: 
Comm. plurimorum Virginum
Office/Mass: 
M
Genre: 
A
Position: 
1.6
Cantus ID: 
003574
Mode: 
7
Differentia: 
3
Differentia database: 
1--l-l-m-l-k-jh--4 143b