Emendemus in melius quod

Source: 
Stuttgart, Württembergische Landesbibliothek, HB.I.55
Marginalia: 
4
Folio: 
054r
Sequence: 
1
Feast: 
Dom. 1 Quadragesimae
Office/Mass: 
M
Genre: 
R
Position: 
1.3
Cantus ID: 
006653
Mode: 
2