Ego signo crucis non clipeo

Source: 
Stuttgart, Württembergische Landesbibliothek, HB.I.55
Marginalia: 
7
Folio: 
141r
Sequence: 
2
Feast: 
Martini
Office/Mass: 
M
Genre: 
A
Position: 
1.4
Cantus ID: 
002587
Mode: 
7
Differentia: 
yd
Differentia database: 
1--l-l-m-lK-k-jk--4 144d
Extra: 
yk