O quam pulchra est casta

Source: 
Cambrai, Bibliothèque municipale, Impr. XVI C 4
Folio: 
222v
Sequence: 
7
Feast: 
Comm. unius Virginis
Office/Mass: 
M
Genre: 
A
Cantus ID: 
004069
Mode: 
7
Differentia: 
3
Differentia database: 
1--l-l-m-l-k-jl--4 146a