Tamquam aurum in fornace

Source: 
Stuttgart, Württembergische Landesbibliothek, HB.I.55
Marginalia: 
7
Folio: 
156r
Sequence: 
4
Feast: 
Comm. plurimorum Martyrum
Office/Mass: 
L
Genre: 
A
Position: 
4
Cantus ID: 
005100
Mode: 
7
Differentia: 
yd
Differentia database: 
1--l-l-m-lK-k-jk--4 144d
Extra: 
yk