Ter virgis caesus sum semel

Source: 
Oxford, Bodleian Library, MS. Laud Misc. 284
Folio: 
065r
Sequence: 
17
Feast: 
Octava Joannis Bapt.
Office/Mass: 
V
Genre: 
A
Position: 
M
Cantus ID: 
005138
Mode: 
8
Differentia: 
w